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D D D D D D Colourod covars/ Couvartura da coulaur I I Covara damagad/ Couvartura andommagia Covart rastorad and/or laminatad/ Couvartura raataurAa at/ou paliiculAa I — I Covar titia misting/ La titra da couvartura manqua □ Coiourad maps/ Carta* gAographiquas mn coulaur □ Coiourad ink (i.a. othar than blua or hiacic)/ Encra da coulaur (i.a. autra qua blaua ou noira) I — I Coiourad piataa and/or illuatrations/ Planchaa at/ou illustrations an coulaur Bound with othar matarial/ RalM avac d'autras documants Ticht binding may causa shadows or distortion along intarior margin/ La re iiuro sarrAe paut causar da I'ombra ou da la distortion ia long da la marga intiriaura Blank leavas added during restoration may appear within the text. Whenever possible, these have been omitted from filming/ II se peut que certaines pages blanches ajoutias lors d'une restauration apparaissent dans la taxte. mais. iorsque cela itait possible, ces pages n'ont pas 4t4 filmAes. 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Pages de couleur Peges damaged/ Pagae andommag^es Pages restored end/oi Pages restaurAes et/ou peiliculAes Pages discoloured, stained or foxei Pages dAcoiortos, tacheties ou piquAes Pages detached/ Pages dAtachAes I — I Peges damaged/ |~n Pages restored end/or laminated/ pT^ Pages discoloured, stained or foxed/ |~n Pages detached/ y>| Showthrough/ Transparence Thai tttth Tha ofth OfiBi baab thai orNft Thai shaN TINU nn Quality of print varies/ Quaiit* inAgale de I'impression Includes supplementery material/ Comprend du mat^riai supplAmentaire Only edition available/ Seuie Mition disponibie Pages wholly or partially obscured by errata slips, tissues, etc.. have been refilmed to ensure the best possible image/ Les pages totalement ou partieliement obscurcies par un feuiiiet d'arrata. une peiure. etc.. ont At A fiimAes i nouveau de fapon A, obtenir la meilleure image possible. right raquh 10X 14X 18X 22X 2tX 30X J 12X 16X aox 24X 28X 32X t»tlw *t«Ht • du nodifiw llm«g« TiM OftiM atl^i^ eoMf and In knanfam wiiili iIm !• TiMlMt •haN em TINUEO"). or tha syinool ^f iniaaMnf "COW- -INO"l. L'axamplaka fHmA fut rapraduh griet i la Hat ■■■[■ii d^ AUfeAatfM UMVMHiy or AMW Ua imagaa auivantaa cm «ti raproduitaa avae la pliM grand toin. eompta tanu da la condition at da ia nattot* da I'axamplaira film*, at an eonformit* avae lea eondltiona du contrat da fHmaga. Lea aaamplairaa originaux dent la eouvartura an paplar eat imprimda sent fHmda an commandant par la premier plat at an terminant toit par la damttre pege qui eomporte une empreinte dimpreealon ou d'illuatration. soit par la aacond plat, aalon le eaa. Toua lea autrea axamplairea originaux tent fHmAe en eommen^ant par la premiere page qui eomporte una empreinte dimpreeeion ou dINuetration at en terminent par la damlAre pege qui eomporte une telle empreinte. Un dee aymbolee auiventa apperattra mir la damiAre imege do ctieque microfiche, selon le caa: la symbole — ^ signifie "A 8UIVRE". le aymbole ▼ aignifie "FIN". Ml « ^nHm*» bafiimadet too large to be rignt and top to bottom required. Tno foNownng comer, left to framee aa Mkiatrate the Lee certee. plenchea, tabiaeuK, etc.. peuvent Atre fllmte * dee taux da rMuction diffiranta. Loraque le document eet trop grend pour ttre reproduit en un aeui cHch*. il eet film* i pertir do Tangle supAriour geuche, do geuche * droite, et do haut an baa. en prenent le nombre d'imegoe nAceeaaira. Lea diagremmet auiventa illuatrant le m4thode. »rrata to pelure, m A, 1 2 3 32X 1 2 3 4 5 6 SYNOPSIS OF THE FAMILIES AND GENERA OF NORTH AMERICAN DIPTERA, EXCLUSIVE OF THE GENERA OF THE NEMATOCERA AND MUSCIDyE, WITH BIBLIOGRAPHY AND NEW SPECIES, 1878-88. BY SAMUEL W. WILLISTON, Professor of Anatomy, Y«l« University. NEW HAVEN: J. T. HATHAWAt, PCBLISHEB. 1888. A> V' NORTH AMERICAN DIPTERA. INTRODUCTION. 4 t Thk writer haa, during the past Ave yeara, published in different periodical* various synoptic tables of the families and genera of North American Diptera. The intention was, at first, to reprint these with revisions, that they might be more accessible to those interested in this order of insects. In order to make, it is trusted, the tables of more service, those of other families have been added, either as compiled or reproduced from standard authorities, or pre- pared from the examination of specimens in the author's collection. It will be understood, however, that, in not a few families, the pres- ent condition of American dipterology does not admit of the prepa- ration of synopses free from error ; the writer's acquaintance, too, with not a few families, has been less complete than with others, and it is very true that only he who has made a critical study of abundant material is competent to compile such tables with much success. For this reason, the tables of genera in the Nematocerous and Muscid families have been omitted. It may be mentioned that very nearly all the genera defined in the present work have lieen examined by the writer, though not all with the same degree of critical study. The faunal limits embraced are those north of Mexico ; and whenever extralimital forma are introduced they will be found preceded by a ^ . The student will soon learn that the characters of many flies are not so simple and apparent as a mere synoptic table would indicate them to be. He will often be puzzled at the interpre- tation of charactera, even after he haa acquired a conaiderable expe- rience. Furthermore, it is often necessary to study any author a conaiderable time before he becomes thoroughly familiar with his peculiarities of style and modes of expression ; he must become, one may say, familiar with the personal equation of each writer before he can feel confidence in the results obtained from him. It is pre- cisely those authors who reduce that personal equation to the mini- mum who are most successful as describers. One, for instance, may feel confident of a determination of a species described by Macquart, 742537 Famimeh and Genera op where the same description under Osten Saeken's name he would feel certain did not apply. Doubt of the right generic location of a specimen may often l>e surest dissipated by attempting to refer to some species. In fact the only way that the present writer was en- abled to generically iletermine the larger part of his species in his earlier stwlies was by first ascertaining the species. Until the stu- dent has acquired a sort of intuitive acquaintance with the different families, the work will often be tedious, but, by perseverance, he can not fail to overcome whatever obstacles families and genera may present. He will be very much aided, at the beginning, how- ever, by having a tolerably large collection at his command — already named by some one else if convenient — by which to make compar- isons. Difficulties to the inexperienced will often disappear, with positive evidence before him, where negative characters are puz- zling. To determine his species the student will need a large series of papers, a list of which up to 1878, will be found in Osten Sacken's Catalogue, and from that time to the present in the concluding pages of this work. But, very much can be done with a much smaller and more accessible list. After he has become acquainted with the order in general, he can select any particular group and procure the papers for systematic work in that group at compara- tively small expense. Much the larger part of the descriptions, it is true, will be found in foreign languages, but that need not deter him ; descriptive phraseology is very simple, and it needs but a little exertion to become sufficiently acquainted with the four or five lan- guages to read descriptions in them with ease or even to write them, if need be. A thorough knowledge of the German, however, is ab- solutely essential before much headway can be made. As in many other branches of biology, German literature is by far the most im- portant and abundant — indeed it is almost a matter of doubt whether the balance between the bad and good in dipterological literature by the French, English and Italian authors is not almost equal, and this without intimating anything against the really good authors these countries have produced : Walker, Desvoidy aud Lioy make a combination hanl to match in any branch of science. The following works are to be commended for the use of the be- ginner ^ OsTEM Sacken. Catalogue of Diptera, 2d edition, Smithsonian Institution, 1878. \ # • \ North Amrricam Diptrra. V^i Hthinrr. Fauna Austriaca, Diptera. 2 vols. Vienna, 1882-64. — ^ IjOkw and Ohtkn Sackkk. Mnnni^'apha of North American Diptera. ^ 4 volt. Smithflonlan Institution, 1862-72. ♦^nViLLinTOif. SynopRis of the North American Sjrphid». Bull. IT. a. National Museum, No. 31, 1886. / tt Oatrn Sackbn. Prodrome to a Monograph of thcTabanidv. Boa- ton Soe. Nat. Hist. 1875-8. \^\jQV9i. Diptera Centuriae, 1860-1872. (One thousand oew N. A. species.) Z i^V WiRDBMANN. A ussoreuropacische Zzeifluegelige Insekten, 1828-90. I s^ Macquart. Dipteres Exotiques Noveaux ou pen Connus. 2 vols. «nd 5 supplements, 1888-55. « Mrioen. Systematische Beschreibung der Europalscheu Zweiflae- geligen Insekten, 1818-^38. (Useful for the figures.) OsTKN Sackek. Biologia Ccntrali-Americana, Diptera, 1^6. (Ac- jj/' cess to this work can only be obtained in large libraries.) Vpchiner. Novara Expedition, Diptera, 1868. /-/^ .Macqitart. Histoire nat. des Dipteres, Suites a Buffon. 2 toIs. 1885. The above list has been arranged in about the order in which the works will prove the most useful. In order to render the tables and descriptions intelligible to the student wholly unacquainted with this order of insects, for whom, indeed, the present work is more especially intended, some brief descriptions of the peculiar terminology is necessary. The termi- nology here used is essentially that of Loew, who gives a fuller exposi- tion of it in the first volume of his monographs, works which, with Osten Sacken's more recent catalogue, will be of first importance to all those who would pursue the study further than that of mere separation into families and genera. Terminoloot of Diptera. — ^The large compound eyes are present in all diptera, except some pupipara. In the majority of males they are contiguous on the upper part (holoptic), rarely so in the females. The narrow border, immediateV > unrounding them is the ORBIT, indicating often a more or less in.4 -linite space. When the eyes are separated (dichoptic), as they are in most females and many males, the space between them, limited above by the upper margin of the head, or vertex, and below by a line drawn across the base of the antennae, is called the front ; on the lower part of the front, in most diptera cyclorrhapha, there is a crescentic space (frontal liUNULs) separated by an impressed line. On the upper part of the front, near the vertex, there are usually three, rarely two, often no, simple, small eyes, called ocrIiLi — their presence or absence is an important character. In the holoptic male, the trian- gle upon which these ocelli are situated, limited in front by the eyes, \ Familibh ani> Oknbha or behind by the rertical margin. !• known m the ocbllab, or tbbti- OAL, triangle ; a aimilar triangle below, abore the base of the cnten- lUB, is called the rsoKTAL tbiaitolb. Below the antenna, the ■pace, limited by the oral margin, the cheeks and the eyes, is the VACS, and characters drawn from it are of the highest ralue in spe- cific ciassiflcation. The space below the eyes, indefinitely limited in front by the face, and behind by the margin of the occifitt (the posterior surface of the head) is the ohbbk. Of the mouth-parts, the PBOBOKU, when not rarely absent, with its terminal, often fleshy, scraping or suctorial flaps, the labblla, and the one to five Jointed PALPI at the base, is the most important. The oral margin of the face is sometimes spoken of as the peristoma, or hypostoma, but the more common and better term is bpistoma. Of the antennae, the third joint, in the brachycerous and cyclorrhaphous diptera, usually bears a bristle (arista), or style. . The THOBAX is composed, as in other insects, of three parts, the PBO-thoraz, iiBso-thorax, and xsTA-thorax, but the first and and the last are so aborted as to present but few anatomical charac- ters. The prothorax is perhaps most readily distinguished in the nematocerous flies, forming a rounded collar, back of the heok. The metathorax is not seen at all from above ; the boutellitm, a semi-OTal body behind, cut off by an impressed line, really belongs to the mesothorax, the dorsum of which is often called the mesomo- TUM. Across, near the middle of the mesonotum, there is an impressed line, terminating on each side a little in front of the wing8> that is known as the tranbvbrse sdtdrb. The anterior superior angles of th» thorax are the hdmbri, or humeral callosities, and on the margin of the mesonotum, between the wings and the acutel- lum, there is, on each side, an oval, obtuse process, named the post- alar CALLUS. Limiting the mesonotujn, running from the humerus to the wing, is the dorbo-plecral sutcrb ; below it, the whole side of the thorax forms the plxcra, divided by sutures into smaller spaces called the Msso-pleura, STSRMo-pleura, HTPO-pleura, and MBTA-pleura. The under part of the thorax is the pectus or breast. The oval, arched portion behind, beneath thescutellum, is the meta- KOTUH, and, on either side, we see a slender organ with a knob-like head, the aborted second pair of wings, and known as the balancers, poisers, or haltbrbb. Above them, and back of the base of the wings, are the more or less well-developed membranous acalea, the tbouljc. NOKTH AllEatCAN DtPTBBA. The term abdombm is usiullj applied to the upper tide of the third prinvip*! part of tlie imect, only ; for the under side we use the twin VBNTBB. At the terminal part of the male abdomen, are the Mxual appendngei, to which the name htpoptoiitm it applied. In the female, the correiiponding part it the ovipoanoB. To understand the neuration of the wiiioe, let the student select for comparison a common large horse-flr (Tabanida) and a common house or blue-bottle fly (M u s c i da). Obsenre in the for* mer, near the middle of the wing, directed transTerselr, a large, ob- long, Are or six-sided cell, surrounded on all sides by other cells. This is the disoai. cell, and is present in nearly all flies. Some, where on the vein (foubth lokgituoiiial) tliat bounds this cell in front, will be seen a short connecting rein, directed anteriorly ; this is the ANTBBiOB or bmall cboss-vbin, and affords, in most cases, a key to the neuration, no matter how intricate. It always connects the fourth longitudinal vein behind with the third longitudinal in front ; the cell behind it is the discal, in front the submaboihai., on the outer side the fibst postbbiob, on the inner side the fibbt basal. Lying parallel with the flrst basal cell, and just behind it, is the bboohd basal cell ; just behind the seeond basal cell is the thibo BASAL or ANAL cell. In the horse-fly, the anal cell is seen to run back obliquely to near the posterior margin of the wing, where it terminates acutely, that is, the anal cell is said to be closed near the border of the wing ; should the two veins that close it run separately into the wing's margin, then the cell is open. Now, countins out- wardly along the posterior border to the third longitudinal rein {posterior branch), there will be seen five posterior cells, all open except in a few species of our Tabanidn the flrst posterior cell is closed), with their bases bordering on the discal and flrst and sec- ond basal cells. By following the third longitudinal vein outwardly from the anterior cross- vein, it is seen to give off an anterior branch, which runs to terminate in the front margin or cobta of the wing; the third longitudinal Tcin is here furcate, and two submarginal cells are present. Compare now these same structures in the house-fly, and the discal is found much more elongated, the basal and anal cells small, the third longitudinal rein simple, not furcated, and onlv one submarginal and three posterior cells are present. Do not confound the obliquely placed rein that nearly closes the flrst posterior cell with the furcation of the tfiird rein. The house-fly will also show clearly the six longitudinal veins, the last of which runs obliquely backward from the anal cell toward the margin, the fifth bordering the discal cell behind, the flrst and second running into the costa. The flrst vein that terminates in the costa (before the middle of the wing) is the auxiliabt. The vein that closes the discal cell outwardly is the pobtbbiob or obbat cross-vein ; the vein that closes the anal cell outwardly, the postbbiob basal cross vein. By comparing the tip of the tabsi (feet) in the two above-men- tioned flies, the student will immediately observe what is meant by the expression "empodia developed pulvilliform." The middle membranous appendage on the underside of the claws (ukoubs) in the horse-fly is the pulvilliform bmfodiujc, while in the house-fly the Familim AKb Obitbba ov outer ones, the pitlvilli, alone are pretent. The tamui, oompoaed of Are Joints, the proximal one of which ii called the MBTA-tartut, the TIBIA, the pbhiib, and the ooxa, attaching the leg to the tliorax, will be rcadilj ondentood. A few words only, a« regards the collection and preserration of flies. Mohture of any kind spoils all specimens ; for that reason they should always be pinned, and never presenred in fluids. Fur- ther, the collecting bottle should be carefully lined with blotting paper to absorb the moisture exhaled. Many flies are injured by rubbing or handling. Specimens should always be pinned, never glued to cards. Clamifioatiob of thb Diptbra. — ^Professor Brauer has recently published* a dassiflcatory system of Diptera, based upon the im- mature and mature stages, which, as the most recent exposition by one recogniied as an authority in the classification of insects in gen- eral, is worthy of acceptance, at least in greater part. It will be difllcult to supplant some of the names already in use, such as the Muscaria calyptratsB, etc., nor is such desirable ; but names, here ai elsewhere, are wholly of secondary importance — the facts or views to which such give expression are all that He at present care for. His system is aa follows : Sub-onler ORTHORRH APH A. /Tribe Ecobphala. MycetophilidaB, Bibionidn, Chiro- nomidsB, OuliciOK, Blepharuceridse, Simulidae, Psychodidc, Ptychopteridse, Rhyphidas. [Tribe Olioonbdka. Cecidomyidae. be PoLTNBURA. Limuobidn, Tipulidae. I/Tribe Aoboftbba. Lonchopteridss. ' Notacantha- Stratiom.,Xyloph. Tanystoma. Tabanidsa, Acan- thomeridn, Leptidae. . Bombylimorpha Acroc., Nemistr. (Procephala. Mydaidaj, AsilidiB, < ' Bombylidn. f DAOTTLA. fjPotytoma. TherevidsB, Scenop. Tribe Obthoobitta. Bmpid», Dolichopodidn. Nbma- TOOBBA OU f/Tri jlTril pTril B B A C H- TOBBA. il»LATT- OBKTA. HOMOO- DACTYLA. Hbtbbo- AsoRisja 3oHiEO-OTri] Sub-order CTCLORRH APH A. Tribe STBPHiDiB. '^Qyrphidn^jPipuncuUdn. Tribe Htpoobba. Qyrphidn/PipuncuUdn ' niorids/Platypexidn. 8 ^IMbe PcpiPABA. HippoboscidsB, Nycteribidn. 4- •Denkiolir. d. k. Akad. d. Wlssensoh. XLTU. 11, IMI. Kowni Ambmoak Dim»A. TABLE OF FAMILIES. - t. FUm of a leathery or homy •troctare, living parMiticallj in the ad alt state upon warm-blooded rertebratet ; head nnall, either closely anited to the emarginate anterior part of the thorax, or folding back into a groove upon the donum ; mouth-parti Incomplete, the palpi wanting ; legs separated by the broad sternum ; abdomen indistinctly segmentated ; claws well developed 49 Flies of softer structure, never living parasitically In the adult state upon warm-blooded vertebrates; head separated from thorax by a free neck 2 S. Antenn* nwny-jolnted, often longer than the thorax, the two basal Joints, only, differentiated, the remaining Joints usually distinct ; palpi composed of from three to Ave joints, usually elongate ; anal cell never closed or narrowed at the margin.* (Neroatocera.) i 8 Antennie rarely as long as the thorax, composed primarily of three Joints, Iho third of which may be simple or complex, ( that Is, composed of more or less distinct annull or segments, ) with or without a terminal or dorsal arista or style ; anal cell closed before the border, or distinctly narrowed In the border, or, if other structure, the antenntt composed of three simple Joints ; palpi rarely much elongate, composed of from one to three joints U 8. Dorsum of thorax with a distinct V-shaped suturet; wings (want- ing in Chionea), many-veined, often with a complete discal cell; ocelli wanting (present in Trie hoc era); of ten large flies TlVVLIDiB Dorsum of thorax without a V-shaped suture, or rarely with any transverse suture (Blepharoce r Idas.) ... 4 * P leo la, >nd perhaps some others, may be exaeptloas. tBlttaeomorphs, Ptyehoptera, and Idioplasta will ahmc eause dou t here. They have the suture Ineompletely V>shaped aod slna> orn. The last wUI be dlstugnlUied flpom Bhyphida ebielly by the absence of oeelU; the two fbrmer will be sepaniled from the Cnlle Am by the absence of hair on the veins, their large else, and in Bltiaceaorpha by the peenUar elnbbed tlhte. 10 Familibs and Obnbra or 4. A complete discal cell present; ocelli present; empodia derel- oped pulvilliform, pulvilli rudimentarj. RHTPHiDis No discal cell * 6 6. Wings with onlj a few longitudinal reins, and no cross-reins ; coxsB not elongate, tibisB without terminal spurs, legs not thick- ened; ocelli present or absent; small or minute, delicate, mostly gall-producing flies. Cbcidomtidjd Not such flies, wings usually many-reined.. . . -6 6. Ocelli present 7 Ocelli wanting (compare MycetophilidsB.) 9 7. Wings broad, bare, characteristically marked by numerous folds between the reins, giring a netted, spiderweb-like appear- ance Blbpharocbbida Wings not so marked ; no entire transrerse suture. 8 8. CoxiB much elongated (moderately so in Sciarinte); antenna often elongate, the joints constricted; three or two ocelli (in the latter case situated near the eyes, and often hardly per- ceptible); all the tibisB with spurs. MroBTOPHiLiD« Cox8B short, the thorax rounded, not humped, abore ; antennas shorter than the thorax, thickened, the joints closely united without marked constrictions ; legs strong, the front femora often thickened ; empodia pulrilliform, the pulrilli sometimes , absent; eyes of male large. Bibionida 9. The costa'. or marginal rein does not extend beyond the tip of the wing. 10 The marginal rein encompasses the entire wing. . . . 11 10. Antennas slender, the joints more or less constricted, and often bushy plumose ; legs slender, hind tibiae and metatarsi nerer dilated; body and abdomen slender; wings narrow. Chironobiida Antennas shorter than the thorax, the joints broadly and closely united, without marked constrictions, and nerer hairy or pi- lose ; legs strong, hind pair more or less dilated ; body thick- set, cbdomen ovate; wings broad, bare, the anterior reins stouter, the posterior ones weak. Black-flies, buffalo-gnats. SlMDLIDiB 11. Wings distally, with ten longitudinal reins, without cross-reins, broad, pointed, reins strongly hairy ; tibiae without terminal spurs ; small, lepidoptera-like flies, the wings, when at rest, folded roof-ihaped Pbtohodidx I North Ambbicaw Diptbba. 11 Wings with small cross-veins near the middle, not broad and pointed, the veins hairy and conspicuously fringed along the hind margin ; wings when at rest not roof-shaped. Mosqui- toes CuLICIDiB 12. Third joint of the antennae complex; basal cells of wings long. 13 Antennae composed of three simple joints, the third not annu- lated or segmentated, with or without a dorsal arista, or ter- minal style or arista 10 18. Empodia undeveloped or bristle-like; antenna elongate, com- posed of four or five joints, without differentiated style or arista ; vertex and front hollowed out transversely between the eyes ; eyes of male never contiguous. ... 26 Bmpodia developed pulvilliform ; third antennal joint more or less distinctly segmentated or annulated ; body not bristly 14 14. Tegulse rather large ; third longitudinal vein furcate ; five pos- terior cells always present ; the costal vein encompasses the whole margin of the wing; proboscis of the female adapted for piercing ; third joint of antennae with from three to eight annuli, never with style or bristle. Horseflies. . Tabamida Tegulae small or rudimentary ; mostly flower-flies. (See N o ta- cantha.) 16 15. Tibiae wholly without terminal spurs ; longitudinal veins of the wings usually crowded anteriorly, those posteriorly often weak ; the costal vein does not reach beyond the tip of the wing ; antennae long or short, with or without a terminal or dorsal arista or terminal style. Stbatiomyidjb The middle tibiae at least, with distinct spurs ; the costal vein encompaMes the entire wing ; third longitudinal vein always furcate, and five posterior cells always present. . 16 16. All the tibiae with spurs; third joint of antennae sometimes di- vided into separate divisions. Xtlophaoidjb Front tibiae without spurs. ...'... 17 17. Fourth posterior cell oi wings closed (Subula). Stbatiomtidjb, pt. Fourth posterior cell open (Art hrocerinae.) . . 18 18. Face projecting on each side into a rounded conical protuber^ ance Glutopb Face with two diverging furrows. . Abthkocbbas L IS FAMIblES AKD GkNERA OF 10. Antennae apparently single- jointed, with a long bristle; wings with several stout veins anteriorly, and other weaker ones running across the surface unconnected by cross- veins; fem- ora flattened, the hind legs long ; antennae situated near the mouth ; small, quick-running, hunchback-like flics. rHORiDiis Not such flies 20 90. Empodia developed pulvilliform, that is, three nearly equal, membranous appendages on the under side of the claws. 21 Empodia wanting, rudimentary or linear, not developed like the pulvilli 23 -21. Tegulse very large, inflated ; thorax and abdomen inflated ; head small, eyes very large ; neuration varied. . Achoceridx Tegulse of moderate size or rudimentary 22 22. Middle tibioe, at least, with spurs, no bristles on femora or tibiae ; third longitudinal vein furcate; Ave posterior cells present (four in Agnotomyia); anterior cross-vein always distinct; third joint of the antennae with a bristle or slender style, usu- ally terminal Lbptidjb Not such flies. 23 23. Third longitudinal vein of the wing simple, not furcate. . 32 Third longitudinal vein furcate, two' or more submarginal cells present 24 24. Arista or style of antennae, when present, always terminal. 25 Arista dorsal, always present. 37 96. Vertex and front distinctly hollowed out transversely between the eyes ; eyes of male never contiguous ; basal cells large ; mostly large flies 20 Front and vertex plane or convex; eyes of male often con- tiguous 27 96. Proboscis without fleshy labella at the tip, the under part form- ing a homy sheath ; the posterior branch of the third vein terminates behind the tip of the wing ; five posterior cells al- ways present ; predaceous flies Asilida Proboscis with fleshy labella at the tip ; neuration complicated, the third vein, at least, curves forward to terminate before the tip of the wing ; antennae with a terminal flattened la- mella MiDAIDiB 97. Five posterior cell! in the wing ; basal cells large. . 80 Never more than four posterior cells in the wing. .98 Nornm Ambucan DirrsBA. 18 S8. Third antennal joint without bristle or atyle; three posterior cells ; first posterior ceil narrowed or closed, the fourth lon- gitudinal rein terminating at or before the tip of the wing. SCBNOPINIDA Third antennal joint rarely without terminal style ; four or three posterior cells; the fourth vein terminates beyond the tip of the wing. . . . . ' 29 29. Anal cell narrowly open, or closed near the borler. BoxRTLin.« Anal cell closed remote from the border. . EnpiDiB 90. Neuration intricate, the small cross-vein wanting or rudimentary, owing to the coalescence of the third and fourth Teins for a longer or shorter distance; tibiae without terminal spurs ; em- podia and pnlTilli membranous, but frequently minute. Nkmistrinidjb Neuration not intricate; the anterior cross-vein always distinct ; labella of proboscis fleshy 81 31. The posterior branch of the third rein terminates before the tip of the wing; male sexual organs prominent. . Apiookbidjb The posterior branch of the third vein terminates behind the tip of the wing; male sexual organs small. Thbhbyioji 32. Antenme with a dorsal arista. 88 Antenns with a terminal arista or style 88 33. Wings ptunted, no cross-Teins in the middle, the fourth longitu- dinal furcate and united with the fifth ; small species. LONOHOPTBBIDJI Wings rounded at the tip, not lancet-like. . . . 9k 34. Second basal cell confluent with the discal cell, not separated by a small vein ; the auxiliary vein does not terminate in the costa; small, moatly brilliant-colored, predaceous flies. DOLICHOPODIDA Second basal cell separated from discal cell by a small vein. 86 3& AntennB with a terminal style. 80 Antenn« with a terminal bristle 87 86. First posterior closed (Conopids, pt, Syrphidn, pt.) 41 First posterior cell open. Empiox 87. Head comparatively small ; the proboscis usually more or less el fn>ni thit discal cell; head small; seutellum with spines Ccbiiomtia The last posterior vein arises from the second basal cell ; hea I N .K 2 18 FaMILIBB and (iKNBRA Or 2. Three posterior veiiu, all discal. PACHTOABTRiNit: Four poBterior veins, the anterior ones sonnctimes rudimentary. 8 8. All the posterior veins discal, the last posterior cell contiinious at its base with the discal cell 4 The last posterior vein arises from the second basal cell, the last posterior cell not contiguous at its base with the discal cell. 5 4. Third antennal joint with a long, 'delicately fringed, lamelliform style ; usually large, more or less elongated species ; males dichoptic. (Hermetiinse.) . Hbuibtia Third joint not with such a style; abdomen shorty not more than twice as long as broad. Clitbllarim^a: 6. Antennae with a slender dorsal or terminal bristle. S a b o i n iic Antennae never with a slender or long bristle. Stbatiohyin/K BBBIDIN^e. Abdomen with seven visible segments in the male, in the female with an additional ovipositor. Wings with a stigmatic spot ; all the posterior veins arise from the discal cell.* Abdomen flattened. 1. Three posterior veins ; occiput flat 2 Four posterior veins ; scutellum with spines 8 2. Scutellum with spines ; palpi rudimentary. . Bbbib Scutellum without spines (Metoponia Lw., non Macq.) Alloonobta 8. Occiput excavated ; hind femora thickened at the extremity. '^ Neoxairbta Occiput flat, hind femora simple ; last two abdominal segments small SoouopBLTA Sako».£. Body usually elongate ; rather small, nearly bare species. Four posterior veins, the last one arising from the basal cell, Antennae short, the third joint rounded or subquadrate, with an apical or pre- apical arista. Scutellum without spines on its border. [Occiput deeply excavated.] 1. Anterior ocellus more widely separated than the other two ; males holoptic or dichoptic 2 Ocelli equidistant, more approximate 8 * Variable in Berts. North Amkhicam Diktkha. 19 2. Abdomen contnusted toward the base, clarate, pedicellate. BfACBO«ABOU8 Abdomen not pedicellate in the male, in the female the second aegment not concave on the side*. SABonit 8. Second antennal joint prolonged on ita inner side into a projec- tion, extending on, and closely lying upon, the third joint. PraoTicos' Second joint not with such a projection 4 4. Males dichoptic ; eyes bare Chrtsomotub Males holoptic ; posterior veins weak 5 r». Eyes thickly pilose Chlosomtia Byes bare, deep metallic species ; front very broad in the female ; arista terminal ; abdomen short ; eyes of male with an area of enlarged facets above. .... Microchktsa Stbatiomtiita. Rather large species, the abdomen usually ovate and more or less thickened. Five posterior cells ; often, however, one or more of the three veins that arise from the discal cell is faint or rudimetary, and the cells coalescent : in such cases the discal cell will usually show angulations, indicating their origin. The last posterior vein is nearly always distinct, and arises from the second basal cell. Anterior veins often crowded toward the front. Antennn never with a long or slender bristle. 1. First antennal joint three or four times as long as the second; scutellum with spines Stratioiitia First antennal joint not three times as long as the second. . 2 2. Face projecting conically downward ; small species. Mtxosabous . Face not projecting downward in a cone; abdomen not elon- gate. Odohtomtia Clitbllabina. Abdomen short, usually but little longer than broad ; four poste- rior veins, all of which arise from the discal cell. Small or mod- erately large species, nearly bare. 1. Scutellum without spines; face produced below into a projecting cone ; posterior veins of wing weak ; small species. Nbmotbi.us Scutellum with spines 2 M Familibs ami> Gbmkra or 2. AnteniiK ahort, with a Hubtvrminal bristle. , Oxyi-bra AnU'nnir morv or Ichh vIonKHte, without hriHtIt'. ... 8 H. Scutvlluin with two Hpinoii on its lM>rdfr 4 Hcutcllum with nix Hpiiuts. [Compare Suoliopclta.] 4. Antennte much elotiKBted, tttylv not differentiated, eyes bare, smaller 8pecie8 BrPARiiYPiiuB Antenna? less elongate, style nOore or lesH differentiated, eyes pilose, larger siieeies Clitbm.aria l*ACHYUA8TRIN/l-:. Small species, abdomen oval. Three posterior veins, all arisinic fn>m the discal cell. Antenna; situated near the middle of the face in profile, third joint short, with a terminal arista, scutellum with- out spines Pachyoabtbh Alloonosta Osten ISaeken, Herl. Ent. Zeit. XXVll, 297, 1888. Bbris liRtreille, Hist. Nat. des Crust, et des Ins. XIV, iiH), 1804. Scouopblta Williston, Rntom. Amer. I, 119, 1885- Sargub, Fabricius, Ent. Syst. Suppl. 6(t(t, 1798. Mackosakoith Bigot, Ann. Soc. Ent. Fr. [5] IX, 225, 1879. MicRcicHRYSA Loew, Verb. Zool.-Hot. Ver., 1866. PTKrTiccs r^H'W, Verb. Zool.-Kot. Ver., 1856. Chrysonotus Loew, Verb. Zool.-Bot. Ver., 1866. Hbrhbtia I^treille, Hist. Nat. des Crust, etc. XIV, 888, I8(»4. Odontomvia Meigen, Klassifie. etc. I, 128, 1894. MTxoSAR4ii7s Brauer, Denkschr. d. k. k. Akad. d. Wiss. 1882, 21. Stratiumyia Geoffroy, Hist. Nat. Ins. II, 476, 17<)4. OxYOBRA Meigen, Illiger's Magazine, II, 206, 1803. EiiPARYPHrs Gerstjecker, Linn. Entoni. XI, 1867. Clitbllabia Meigen, Illiger's Magaz. II, 2H6, 1808. Nbmotblus Geoffroy, Hist. Nat. Ins. II, 642, 17(t4. FACHYfiASTER Meigen, Illiger's Magaz. II, 2f)0, 1802). r A N Y S T <) MA. Tarsi with three membranous pads at the tip (the empodia devel- oped pulvilliforni); body and legs wholly without macrochjeta? ; males holoptie, eyes rarely narrowly separated; two sub-marginal, Ave posterior cells in the wing,* fifth posterior' cell not contiguous * The genus Agnotomyia with four posterior cells, is the only •xoeption. North Amkhican Diptkha. tl at its Immv with the diacal cell ; the marginal vein ent*umpaM«« the whole wing; ■ome or all the tibiie with spurs. 'rhini joint of the antennc annulate, never with differentiated style or bristle ; tcgulse rather large. . TABANiojt Third joint of antcnnn simple, with a simple, or thickened styli> form, bristle; tegulae rudimentary. Lbptidji TABANIDiH. Species never very small, often among the largest in the order; never thickly pilose ; in life the eyes usually brilliantly colored and marked. Head short, broad, eyes large. Antennae porrect, the third joint ^composed of from three to eight annuli or segments. Thorax not very convex, scutellum without spines on its border. Abdomen broad, moderately elongate or short, never slender or con- stricted. Legs moderately stout, the front and middle tibiae some- times dilated, the middle tibiae always with spurs. Veins of the wings distinct; first posterior cell (and fourth in exotic species) rarely closed. Karly stages passed in the water or earth ; larvae carnivorous, with H distinct head ; pupae free. The females are blood-sucking, usually founhblaoa Front tibisB moderately dilated ; face short. Diaohlobuh Front tibisB not dilated 7 7. A small ocelligerous tubercle present in the female ; eyes pubcH- cent, more distinctly in the male. 'I^bkioplbotbh Ocelligerous tubercle absent; eyes pubescent. Attlotub Ucelligerous tubercle absent ; eyes bare. . Tabanus I'AHOONiA I.Atrelle, Hist. Nat. des Crust, et des. Ins. Ill, 487, 1802. Apatolbstbs Williston, Entom. Amer. I, 12, 1885, SiLViUH Meigen, System. Beschr. II, 21, 1820. riiRYSOPS Meigen, in Uliger's Magax., 1803. HiKMATOPOTA Meigen; in Uliger's Magaz. 1803. DiA0HU)BU8 Osten Sacken, Prodr. etc., II, 476, 187H. 'riiBRioPLBOTBS Zcller, Isis, 1842. Tabanus Lmne, Fauna Suecica, 1761. Attlotds Osten Sacken, Prodr. etc. 426, 1876. LEPTIDiE. Rather small to rather large species; thinly pilose, with short thorax, elongate abdomen and large wings. Head short, eyes of male contiguous or approximate ; ocelli present. Antennae mostly short, never elongate, the third joint with n terminal or dorsal bris- tle, or terminal slender style. Face small, excavated. I^roboscis short ; palpi slender, porrect, often bushy pilose. Abdomen elon- gate, broadest toward the base, composed of seven segments ; the female ovipositor pointed. Legs slender, the liind pair somewhat elongate ; some or all the tibiae spurred. Posterior cells of wings usually all open. Larvae carnivorous, living in earth, decaying wood, dry sand, in moss or in water. The flies are usually found about meadow and NoHTH Ammican Diptbra. 88 low woodlands, distinctly terminal 4 Third joint kidney-shaped, the arista more dorsal, . .6 4. Anal cell open ; hind tibin with two spurs. Lbptih Anal cell closed. 6 6. Third joint of antenna with a slender arcuate bristle ; hind tibite with one spur CHmrsoFiLA Third joint with a shorter, slender style. Spaxia, Ptiolina A. Hind tibie with two spurs ; anal cell closed. Athbrix Hind tibisB with one spur ; anal cell open. Stmphoboii tia Arthkopbab Lobw, Stett. Ent. Zeit. 1860. Arthrocbrab Williston, Entom. Amer. II, 107, 1886. Olutops Burgess, Proc. Boston Soc. Nat. Hist. 1878, 'SSO. Triptotrioha Loew, Centur, X. 16, 1874. Aohotomyia Williston, Entom. Amer. 11, 106, 1886. Chrtbopila Macquart, Dipt, du nord de la France, 1827. Lbptib Fabricius, Syst. Antl. 60, 1806. Spamia Meigen, Syst. Beschr. VI, 336, 1830. Ptiolina Zetterstedt, Dipt. Scand. I, 220, 1848. Athbrix Meigen, Illiger's Magaz. II, 271, 1808. Stmphoromtia Frauenfeld, Verb. Zool. Bot. Ctesellsch. 401, 1867. ASILIDJB. Species of moderate to large size ; briHtly ; predaceous. Head flattened, the eyes prominent. Front concave between the eyes, the eyes not contiguous in either sex. Ocelli present. Antennae porrect, with or without a terminal bristle or style ; when with a terminal style, the antenna apparently four or Ave- jointed. Proboscis pro- 24 Pamilih and Gritbra op jecting, never elongate, without tenninal fleshy labella, adapted for piercing. Abdomen with eight segments, the liypopygium or ovi- duct usually prominent. Legs strong, moderately long; empodia bristly, not pulvilliform, the pulvilli sometimes rudimentary. Basal cells of the wing long; five posterior cells, two or three subniarginal cells ; anal cell open or closed in the margin. The flies are usually observed in sunny open paths, or upon leaves of underbrush, on the alert for other insects, which they seize upon the wing and pierce with their stout proboscis. 1. Marginal cell of the wing open. (Dasypogoninae.) 2 Marginal cell closed. 38 2. Front tibiae with a terminal claw-like spur. . . .28 Front tibiie without terminal claw-like spur 8 8. Pulvilli rudimentary or wanting 4 Pulvilli normal. 5 4. Face very narrow ; abdomen very long, slender, narrow on prox- imal part; hind legs elongate, slender. . Leptooastek Face moderately narrow ; abdomen not unusually long, broader at base ; hind legs not elongate. . Ablaittatdh 5. Head narrow, about as high as broad; face narrow above, broader and swollen below, in large part covered with hair. Large, elongate species. 6 Head very obviously broader than high. . . . . 8 H. Antenna* with a terminal style 7 Third joint of antennte very long, without .style ; fourth jtosterior cell closed before the border of the wiiifjf. Klack speiies witii or without red on the abdomen. OsntiocKiti s 7. First posterior cell ojHJn, not closed before the bonier of the wing. Stenoi'ogon First and fourth posterior cells closed before the liorder of Mu- wing; third joint of antenna; shorter, style longer. SCLEB<»1'0(10N H. Fourth posterior cell closed before the border. ... 9 Fourth posterior cell wide open, rarely nearly closed. IM 9. Antennae elongate, of five joints (My e lap bus). 14 Antennae not elongate, of three joints, and a terminal style. 10 10. Face bare, except on oral margin ; abdomen elongate, cylindro- idal ; anterior intercalary vein continuous, or nearly so, with NOKTH AmkBICAN DlPTBRA. 26 the fourth vein, the last section of fourth rein oblique, sin- uous, closing or much narrowing the broad first posterior cell. Large, or very large species. MiOROSTYLim Face pilose or hairy, more convex 11 11. Abdomen cylindrical, not narrow at the tip, elongate; near the base of second and third segments with white pollinose emar- ginate cross-bands ; wings dark. Dizoniab Abdomen less elongate, with five or six white pollinose cross- bands 12 12. First posterior cell open, scarcely narrowed, face broad. Laphtstia First posterior cell much narrowed or closed. . Triolib 18. Antennaeelongate, composed of Ave joints; nearly bare species. 14 Antennae less elongate or short, of three joints, with or without a short or slender style 16 14. First and second joints of antennas of nearly equal length, third elongate, fourth short, fifth elongate and densely pubescent ; third and fourth not lobed at tip . . Ceraturous First joint about three times as long as the second, third elon- gate, fourth and fifth of nearly equal length , third and fourth at the tip with two lobes or processes, reaching to about the middle of the following joint. Mtblaphds 16. Style of antennae short, thick, obtuse, not easily distinguishable from the third joint, or, if so, forming apparent joints ; anten- ^ nae more or less elongate. 16 Terminal style small, more slender than the joint, apparent; antennae shorter 18 16. Nearly bare species; face flattened, bare except below. Small, or rather small, species, shining or metallic black, with nar- row or cylindrical abdomen and large wings. 17 Thickly pilose species, the bristles few and hair-like ; antennae situated upon a convexity, thence receding to the facial tuber- cle, which is situated upon the lower part of the face ; abdo- men short ; head narrow Dioolondb 17. All the tibiae and the hind femora with short, strong setae. ECTHODOPA Hind femora without such setae Dioctria 20 Familieh ani> Gbnkra ok 18. Face (Hstinctly convex in profile, swollen or gibbose.* tP Face flattened ur gently convex 20 10. 'lliickly pilose species ; tlie gibbosity of the face reaches to the base of the antcnnne ; anal cell usually open.* Cyrtopooon Thinly pilose, more pollinose species, the convexity of the face on the lower part, anal cell usually closed. Daclopooon 20. Abdomen elongate ; front broad anteriorly, narrow behind. Plebiomma Front not narrowed behind 21 21. Hind tibise toward the tip, and their metatarsi, much thickened. 22 Hind tibiae not, or but slightly, thickened toward the tip ; meta- tarsi not thickened. 28 22. Head much broader than high, transverse, "goggle"-like ; abdo- men short, wings large Holcocbpiiala Head only moderately broader than high, not at all spectacle- like in appearance Holopooon Abdomen with thick recumbent pile above ; thickly pilose spe- cies; antennae slender Ptcnopooon Abdomen without such pile above. 24 Slender, nearly bare species ; face perpendicular, straight or gen- tly concave, narrowed above, bare, except on oral margin. 25 Face gently rounded, not prominent below, in large part hairy, not or but slightly narrowed above 20 26. Thickly whitish pollinose; abdomen flattenitd, usually reflected upward, third joint of antennae and style both slender. Stichopooon Less thickly pollinose; abdomen cylindrical, a little broader at base ; third joint of antennae short, broad, style minute. See Habropogon bilineatus Will. Large, elongate species, style of antennae short Callinious Moderately large, not much elongate 27 Abdomen broader at the base, depressed ; thorax much convex above, antennae slender, style long and slender (compare spe- cies of Cyrtopogon). .... Anibopooon 23 24 26 27 * Several species are placed proTisionally under Cyrtopogon in which the facial gibboaity is small, aud the body thinly pilose. They may be dls- tinguislied by the abdomen not being broad, and having white pollinose cross-bands; in some the wings have small but distiuot clouds on the ci-oss- reins. North American Diptkra. 27 Abdomen short, cylindrical. Black, with bright golden opaque pollinose markings on thorax and abdomen. See "Lapar- us" pictitarsis Bigot. 2H. I^arge species ; face bare with bristles on the oral margin, in profile straight or concave, the oral margin projecting. 29 Smaller species, face convex on lower portion, not projecting. 30 21). Elongate; fourth posterior cell closed, usually a considerable distance before the margin Dbromyia Less elongate ; fourth cell open or closed in the margin, rarely a little petiolate Saropooon 'Hi Head broad and flat, face not gibbose, third joint of antenna? slender, elongate 31 Head only moderately broader than high ; face gibbose below ; third joint of antennae more or less dilated, style very short ; thorax and legs with numerous bristles ; abdomen broadest at the base, rather slender, subcylindrical . . Lbstomtia :n. Abdomen finely punctulate, of nearly equal width ; hind tibiae at the tip and their tarsi only a little thickened ; wings hyaline. Taracticds Abdomen smooth ; hind tibiae at the tip and their tarsi thick- ened (compare here Nicocles? scitula); antcnnal style slender, acuminate ; wings variegated 32 H2. Abdomen flattened ; in the female a little broader beyond the middle ; in the male near the tip, the last two segments of which conspicuously silvery above. . Nicoclbb Abdomen of nearly equal width throughout, the last segment in the nuile not silvery, fourth posterior cell narrowed. Blaoodbs H8. Antennae without a terminal bristle (Laphrinae). . 34 Antennae with a terminal bristle (Asilinae). . 41 34. The veins at the distal ends of the discal and fourth posterior cells in the same straight line, continuous, or nearly so. 36 The veins, etc., not in the same straight line, the vein closing the fourth posterior cell more or less remote and oblique. 36 35. First joint of antenna elongate, slender; second posterior cell narrowed toward the margin of the wing. Cbrotainia First joint of the antennge much shorter than the third; first * posterior cell narrowed or closed, the second wide open. Atomosia n Familiiw ani> Grhbra op 96. First posterior ceil luurowed or ciosed 37 First posterior cell wide open 30 37. Three submarf^nal cells, i. e. tlie upper branch of the third vein is connected with the second by • short vein. PoooNOflOMA Two submarginal cells 38 38. Hind femora of nearly equal thickness throughout; antennw with a distinct terminal ftyle ; very large, robust, thickly pi- lose species HypbKbohia Hind femora thickened toward the end ; antennae without termi- nal style ; more elongate, less pilose species. Andrrvosoma 39. Thorax and abdomen nearly or quite bare ; hind femora with spinous tubercles below Lampria Thorax and abdomen pilose, larger species. ... 40 40. Densely pilose species; the abdomen short, broad, usually broader beyond the middle, in the male sometimes more elongate; proboscis thick. Dastllis Less pilose, more elongate species ; proboscis more elongate and slender Laphria 41. Bristle of antenne plumose Omhatius Bristle not plumose 42 42. The third vein (posterior branch) curved forwards to meet the costa ; two submarginal cells, rarely three. ... 43 The third vein curved backward to meet the margin of the wing at or beyond the tip 44 43. Oviduct cylindrical, with a terminal circlet of spines. Prootacanthub Oviduct laterally flattened, without circlet or spines. . Erax 44. Two submarginal cells.* (Asilus sens, lat.) .46 Three submarginal cells 46 46. Abdomen shorter than the wings ; body thickly pilose, claws obtuse Mallophora Abdomen longer than the wings; body thinly pilose. Prohachus 4A. Oviduct ( 9 ) laterally compressed 47 Oviduct not laterally compressed, conical 62 * The remainder of this table Is a translatkm flrem Loew, Diptf. 8nd. AIHkas,p. MS. NOMTH AmKRICAM 1)ll>TK1iA. » 17. Face without gibboaity 48 Face with gibbosity ; if reatrtctetl to the lower part, aad hence not conspicuous, face neither carinate nor unusually nar- rowed . . , ^ tt 4H. Face narrow throughout, not at all carinate, the mystax coni> posed of few long hairs ° Stbhopbosofis Face of unusual width, obtusely carinate; mystax composed of numerous hairs and bristles. ...... 40 49. The closed fourth posterior cell much widened at the expense of the discal cell which is narrowed in its middle. ^ Stnolcub Foui th posterior cell not unusually broader towards its base. 60 HO. Mystax moderately thick, bristly, not wall-like. ^ Dtsclttus Mystax flne-haired, lung and thick, wall-like. ... 61 At. Second posterior cell widened near the base in front at the ex- pense of the first posterior cell. ^LOPMONOTUS Second posterior cell not widened in front at the base. ^TRICHOlfOTUH *ii. Dorsum of thorax with bristles reaching to the front part, or at least thickly hairy along the middle 58 Vestiture of the front half of the thorax short. . .66 ^. Facial gibbosity slight, reaching nearly to the antennae. o Dasophrts Facial gibbosity very distinctly prominent, reaching much less high 64 o4. Third joint of the antennae slender, linear. ^ Protophanbs Third joint of the usual elongate elliptical shape. ° Dtsmachos oo. End lamellae of the oviduct ( 9 ) egg-shaped and wedged in. EOTOLMUa End lamellae wholly free, nearly style-like. ... 66 66. Posterior border of the last ventral segment in the male more or less widened Maciiimus Posterior border not widened {$) 67 o7. Legs prevailing shining yellow. Nbomochtrbrub Legs prevailing black, or light and opaque colored. 58 >'»8. Abdomen shining black above and below. . Stilpnooastbr Abdomen not shining on both sides. . . ' . .69 59. General color yellowish-gray or ash-gray, the legs with reddish yellow stripes or bands ; opaque. ° Epitriptur Ht) Kamilib* AMI) Gbnkka or General color more or Ww black-gray, the legs prevailing black, the tibiae often red fiO (Ml. The male genitalia very thickly club-like, or at least the sixth and seventh abdominal segments help form the female ovi- duct. Neoitamub Male genitalia not clu)>-like, the sixth and seventh segments take no part in the formation of the oviduct. . 61 HI. Male genitalia, when seen from above, more or less acute on the end ; facial gibbosity ratlier large. ' . Tolmebuk. Male genitalia, when seen from above, more or less obtuse ; fa- cial gibbosity very small. ....<> Cbrdistub 62. Abdomen without bristles before the incisures. . . 68 Abdomen with bristles before the incisures. .68 68. Facial gibbosity extraordinarily large, the extremely sharp tip of the proboscis bent somewhat upwards. ° Proaoonistbs Facial gibbosity of usual size, the proboscis wholly straight, and not sharper than usual . .64 64. Mystax bristly as usual 65 Mystax fine-haired, depressed. . . . o Antiphrisbon 65. Abdomen flne-haired, depressed 66 Abdomen with rather long, scattered vestiture. ^ Pami'Onbrub 66. Bright colored, large species 67 Small, ash-gray species ^ Rhauiurgub 67. Feet of usual length and structure Abildb Feet unusually elongated ^ Eocoptopub 68. First joint of the four anterior tarsi remarkably short. <* ECHTHIBTDB First joint, etc., not remarkably shortened. ... 60 69. Oviduct ( 9 ) club-shaped, thickly pilose below. ° Antipalus Oviduct conical, beset with short spines at the end. Philodiodo Lbptooastbr Meigen, lUiger's Magaz. 1808. Cbraturous Wiedemann, Analecta, 12, 1824. DiocTRiA Meigen, lUiger's Magaz. 1803. EcuTHODOPA Loew, Centur. VII, 27, 1866. Plbsiomma Macquart, Dipt. Exot. I, 2, 54, 1838. MiCROSTYLUH Macquart, Dipt. Exot. I, 2, 26, 1838. OspRiooBRUS Loew, Centur. VII, 51, 1866. Ablactatub Loew, Berl. Ent. Z. 1874, 877. North Amkhican Diptkba. 81 STBNoroooN Loew, Linn. Entom. II, 468, 1847. ScLEROPOOOM Loew, Ccntur. VII, 45, 1886. Sphaorus Loew, Centur. VII, 65, 1860. DicoLONDB Loew, Centur. VII, 56, 1866. Archilbstrib Loew, Berl. Ent. Z. 1874, 377; A rchi lestes Schiner, Verb. Z. B. Ges. 1866, 672. DizONiAS Loew, Ccntur. VII, 63, 1866. ^ Callinicus lioew, Centur. X, 32, 1872. Anisopooon Ix>ew, Berl. Ent. Z. 1874, 377; (Heteropogon lA>ew). Cyrtopogon I-oew, Linn. Ent. II, 516, 1847. Ptcnopooon Loew, Linn. Ent. II, 626, 1847. HoLOPOooN Loew, Linn, Ent. II, 473, 1847. Daulopooon Loew, Berl. Ent. Z. 1874, 377; (Lasiopogon Tioew). PsiLOCiTRUs Loew, Berl. Ent. Z. 1874, 373. Stichopooon Loew, Linn. Ent. II, 500, 1847. HoLCOCGPHALA Jaenuicke, NeueExot. Dipt. 51, 1867. NicocLB» Jaennicke, Neue Exot. Dipt. 47, 1867. Lbstomtia Williston, Trans. Amer. Ent. Soc. XL, 19, 1883; Cla- V a t o r Oaten Sacken. Blacodes Loew, Berl. Ent. Z. 1874, 377. Taracticub Loew, Centur. Vol. II, 240, 1872. Dbromyia Philippi, Verb. Z. B. Ges. 1866 (Diogmitea Loew). Sarapooon Loew, Linn. Ent. II, 439, 1847. Lastaurub Loew, Bern, ueber d. Fam. d. Aailiden, 17, 1861. Atomosia Macquart, Dipt. Exot. I, 2, 73, 1838. Cerotainia Schiner, Verb. Zool. Bot. Ges. 1866, 673. Dasyllis Loew, Bern, ueber die Fam. der Aailiden, 20, 1861. Htperechia Scbiner, Verb. Zool. Bot. Geaellacb. XVI, 673, 1866. PoooNOSOHA Rondani, Dipt. It. Prodr. I, 160, 1866. Laphria Meigen, in Illiger's Magaz. II, 1803. Lampria Macquart, Dipt. Exot. I, 2, 60, 1838. Lafhtbtia Loew, Linn, Ent. II, 638, 1847. Andrbnosoma Rondani, Dipt. It. Prodr. 1, 160, 1866. Mai:.i:x>phora Macquart, Hiat. Nat. Dipt, I, 300, 1834. Promachub Loew, Linn. Ent. Ill, 390, 1848. Erax Macquart, Dipt. Exot. I, 2, 107, 1838. Proctacanthub Macquart, Dipt. Exot. I, 2, 120, 1838. Asilub Linne, Fauna Suecica, 1761. 81 Familibh ani> Gkrbiia or PHilx>Nioufl Jjoew, Linn. Rnt. IV, 144, 1849. LoPHONOTOs Macquart, Dipt. Exot. I, 2, 126, 1888. Nbomoohthbbus Oaten Saclien, Cat. Dipt, for Mochtherua Imcw, Linn. Ent. IV, 68, 1840. Nboitamub Oaten Sacken, Cat. Dipt, for Itamua Ixiew, Linn. Rnt. IV, 84, 1849. Machimdb I..OCW, I 11 1- H o b M e u r M nf Kuropi>, wlu>n> they an- pHrHsitic u|niii lieetlpH. Wiog of Rhynohocephalaa Tolatioiia Will.—*, MCODd subiiuir* glnal, b, o, d, e, f, lint— fltth posterior cells. Proboscis short, itrotriiding but little from the oral opening. Kyes bare (often pilose in exotic species). Two or three submar- ginal cells Hibmonkcra Proboscis long, directed backwards. Antenna; broadly separated. Eyes bare. Ovipositor of the female composed of two slender diverging lamella'. Three submarginal cells. Rhynchocephalith HiRMONBURA Mcigen, Hyst. Beschr. II, 132, 1820. Khtmohocephalus Fischer, Mem de la Soc. imp. d. natur. de Mos- cou, I, 217, 1806. MIDASID^:. Rather larger to very large, thinly clothed or bare, elongate flies. Neuration complicated ; the basal cells long ; the fourth longitudi- nal vein always terminating at or before the tip of the wing. An- tennae elongate, the third joint flattened, and composed of several distinct segments. Ocelli wanting. I^oboscis with fleshy labella. Empodia very little developed, not pulvilliform. Larvae found in decaying wood, etc. , probably carnivorous. 1. Terminal segment of the female abdomen with a circlet of spines. 2 Terminal segment without circlet of spines. . ... Midas 2. A small cross- vein runs into the hind margin of the wing between the anal cell and the tip ; hind tibiae of female with spurs. EcTYPHOB No such small cross- vein ; hind tibia; ( 9 ) without spurs. Leptomidab ai KaI1II.IK» ANU (fKNKIIA UK "Gcncriit F<(* typhi proxinium, tiiffert : aiiteiiiiiH i-Umgatia, mi*|c- iiii'iito pcnultimtt cylindrico, ultimo, g, circit(>r Uuplo Inn^fiun-,* rompn-BW), IwHi |Mrum dilHtato, Apiuc nhtiiM* HtMiminate 9 • mii»as." Mii>A8 FabrieiuH, Kiitom. SyHt. IV, 252, 17(;k(>r, Stvtt. Knt. Z. 18KH, HI . KcTYPHUB Gerstfleckvr, Stftt. Knt. Z. 1W8, 02. PiiYLi.oMiDAH Biirot, Bullet. S Third joint of the antennw Hhort, onion-MhaiH'd, with a very long •tjrie, not bisected by a RUture. 6 *> The conical third joint bears a more or U>8h long »ty\v, separated liy a distinct snture Kxopbobopa The conical third joint docs not bear an elongate style at the end; second vein strongly contorted, in the shu|M.- of a reeiini- bent S DiPALTA B. Proboscis long, projecting far beyond the oral margin. Stonyx Proboscis withdrawn within the oral cavity ; rudimentary pul- Villi ISOPBNTIIKH 7. The style of the third antennal joint distinctly bisected by a suture, and bearing a pencil of hairs at the tip. Arutramocba The antennal style not bisected, and with a microscopic bristle, but no pencil of hairs, at the tip 8 H. Eyes of the male contiguous on the vertex ; anal ceil closed. O ASTBOPHANBH Eyes of the male not contiguous on vertex ; anal cell open. 9 9. The contact of the discal cell with the third posterior not much longer than its contact with the fourth posterior cell ; probos- cis long, projecting far beyond the oral margin ; sides of the abdomen with a fringe of scales, and not of hairs only. Lbpidanthuax The contact of the discal cell with the third posterior at least twice as long as its contact with the fourth posterior cell, the latter contact often merely punctiform. Anthbax 10. Body Anthrax-like; frontal triangle in the male large; frontal space in the female of a corresponding size. . 11 Body not A n t h r a x-like ; frontal triangle in the male small. 13 11. Antennae approximate at the base ; third antennal joint gradu- ally attenuate Ocodocbra Antennae) remote at base 12 12. Pulvilli distinct Aphusbantus Pulvilli none Epacmus m Kamiliicii ani> (Siinkka or 14. U, U(. 17. 18. 19. 'H). 21. 22. 28. 24. 26. Htnly (Miitfiinn', Ihonix, MlNlomi'ii) clothiMl with iiiort* acalt** than liairH, KilitMiHc, the hImIoiiicii lian){inK down : Mntonnw long, limt Joint iinuaually long 14 Ho«ly clothcil with ImirH, UH. 15 Four poHti'rior cflln. LBniNtriioBA Tliri'i' poHtcrior t'l'IU Toxoi'Iioba Four poHtorior rclU IH Tlm>e posterior I'l'IU ; iinal ci'll clodctl 2fi Firwt posterior ci'il closfil 17 FirHt poHtcrior cell o|n'n 21 Two suhniarKinal c-elln 18 Threi' subniar^^inul c-elli* Pantarbbs First basal cell longer than the Heeond. . . . .10 Both hatial w\h of equal length 20 Head eoniparatively Hniall ; the eniargination of the ticcipital orbit almoHt imperceptible ; contact between the aecotul sub- nnirginal cell anil the first pitsterior more than puactiform. BOMBTMUH Mead comparatively large; the emargination of the occipital orbit distinct ; ctmtact between the second submarginal cell and the first posterior cell often only punctiform. Comahtes Underside of the head moilerately pilose, and hence its different parts (including the base of the antennas the oratedge, etc.) easily perceptible 8ybt(BCHI'8 Underside of the head densely pilose, the root of the antenna>, epistoma, mouth, etc., bi>ing completely hidden. ANAHTCBrncs Two submarginal cells 22 Three submarginal cells 26 Both basal cells of equal length. . . . Si>ARN(>p«>Lit's First basal cell longer than the second 28 Third antennal joint not truncate at the tip. Eclimuh, Epibatgh Hiird antennal joint flattenetl, truncate at the tip. . 24 Proboscis short. 1'.\kac«>s)ius Proboscis very long. ' Phtiiikia The rather narrow marginal cell very much e.x]mniled at the end. FiOBDOTltS The marginal cell only moderately expanded. Ploai* NoiTH Ahbkican Dii^bba. «" 'iO» I'rolMivU much loiiKvr than thv •iitennv ; •mall, Bomhyl iu»- likf, pulH'Rvcnt inivct* Gkkon I'rolioiids Nhortcr than the anU'nnK; hm^ Amniophil«-lik«, nlnioitt Klahrous inikftii ; four IwmiI M*innenta of the abilnnicn very narrow Ststkopub "9 (ivn. Gcronie (auvtor.) vel IJasypalpi (Maoq. Dipt. Kxot.) oatia vifinuin, prapcipue ilifTert antennarum palporunique confor- iiiatione. "(^irpore nn(;u8tato, (lorao thoracis gibboso, breviter ut parce vil- iosulo; capite fere Hpha!ric«>, thorace angustiore; antennis basi tingUHte approxitnatiH, fronte lata, uarum prominula, genis, subfirbi- tia, anguatiaeimia ; prolM)8cide rigiiio, porrecto, labria inviaia anten- iiaa longitudine superante ; palpia hauatello aubaeque longia, gracili- bu8, porrectia, rigidia, fere cylliitlricia, aegniento ultimo, vilToaulo ; nntennarum, capite loiigiorum, Megmentia duo baaalibua abbreviatia^ gracilibuH, tequilongia, 8 ^ , pnecedentibua, aimul aumptia, dupio longiore, ohiongo, baai leniter dilatato, compreaao, a^)icv obtuao, Muperne villoaulo, ad apicem leniter aulciolato, chieto inviao ; alls, abdomine multo loiigioribua, cellulia poaticia tribua, tribuaque aub- marginalibua munitia, cunctia late apertia, anali ante marginem clauaa, haaali externa interna parum longiore, vena quarta longitu- dinali (Rondani) bifurcata, vena traneveraali externa, ante medi- um celleisp diacoidalia aatia elongata, locata." Rhai>4>P8ELAPhu8 "Same as Anthrax except that the axillary cell ia not longer than twice the diatance between the tipa of the laat two veina, and the third basal cell ia wider at ita apex than at anv other part. Winga tapering conaidcrably toward the baaea, axillary cell very narrow." Mahoia "Antennte porrect, third joint when viewed from the aide acarcely longer than wide, aomewhat oval in outline, but tapering to the tip, which ia blunt and beara a very abort atyle, tipped with a abort bria- tie ; flrat joint longer than the aecond, but not one half ao long aa the third ; flrat two jointa of nearly an equal width, not more than one half aa wide aa the third at ita baae. Face retreating below, bare except on oral margin. Head a little thicker than long, wider than the thorax, and fully three-fourtha aa large. Thorax with bria- tlea in front of winga and on hind anglea. Scutellum rounded be- hind. Winga with two aubmarginal and four poaterior cella, all of the latter open, aa ia alao the third baaal ; email croaa-vein near middle of diacal cell ; furcation of aecond and third veina occura before proximal end of diacal cell. All of the tibiae provided with briatlea ; pulvilli pad-like." Eucbsbia ExoPBOSOPA Macquart, Dipt. Exot. II, 1, 35, 1840; Trinaria Mulaant. Hyrbkau)Mia Rondani, Archivio per la Zool. Ill, 1864. Stonyx Oaten Sacken, Biologia Central! Americana, Diptera, 94, 1880. Ml 88 FaMILIBS AMD UbNERA OK IsopBiTTHBB Oaten Sacken, Biologia Centrali-Aineriraiiu, Diptoru, 96, 1886. DiPALTA Osten Sacken, Weatern Dipt. 236, 1877. Arotram(bba Schiner, Weiner Ent. Monatschr. IV, 51, 1864). ABTROPHANB8 Osten Sacken, Biologia Centmli- Americana, 1)i])tera, 106, 1886. Lbpidamthrax Osten Sacken, Biologia Centrali- Americana, Diptera, 107, 1886. Anthrax Scopoli, Knt. Cam. 1763. Oncodockra Macquart, Dipt. Exot. II, 83, 1840. Epacmuh Osten Sacken, Biologia Centrali- Americana, Diptera, 142, 1886; Leptochilus Loew, preoccupied. Aphosbantiib Ijoew, Centur. X, 39, 1872. Bombylius Linne, Fauna Suecica, 1758. CoMASTKS Osten Sacken, Western Dipt. 266, 1877. St8T(Bchu8 Ix)ew, Neue Beitr. Ill, 34, 1856. ANASTtBciius Otiten Sacken, Western Dipt. 251, 1877. Pantarbbs Osten Sacken, Western Dipt. 264, 1877. Sparnopolius Loew, Neue Beitr. Ill, 43, 1856. Lordotus Loew, Centur. V, 63, 1863. Paraoosmus Osten Sacken, Western Dipt. 262, 1877. Phthiria Meigen, Illiger's Magaz. 1803. Gbron Meigen, Syst. Beaclir. II, 223, 1820. Ststropijs Wiedemann. Nov. Dipt. 1820. Lbpidophora Westwood, Lond. and Edinb. Phil. Magaz. 18:{6. ToPHORA Meigen, Illiger's Magaz. II, 270, 1803. EoLiHUs Loew, Stett. Ent. Zeit, 1844, 164. Rhabdosblaphus Bigot, Bullet. Soc. Ent. Fr. 1886, p. CIll. Mancia Coquillett, Can. Entom. 1886, 159. EucBSBiA Coquillett, Can. Entom. May, 1886. THEREVID.*:. Rather small, elongate, bristly, predaceous flies. Eyes of the male contiguous; front in the female not excavateil. Antennn* composed of three joints, the third simple, with a terminal style, sometimes wanting. Proboscis moderately projecting, the labella broad. Ocelli present. Abdomen elongate ; genitalia ( ^ , 9 ) mod- erately or but little j)rominent. Legs slender, bristly ; empodia wanting. Third longitudinal vein of the wings furcate, the posterior < /^ North Amkkm-an Dihtkka. 89 f brunch terminating beyond the tip; Ave . posterior cells; basal cells long, the third (anal) closed in the border. Predaceous flies, concealing themselves among the leaves of low bushes where they lie in wait for other insects. Imtvib long, snake- like, apparently composed of nineteen segments; those of the known species found in fungi or decaying wood ; pupae free. 1. Antenna* situated upon a frontal projection, the first joint elon- gate and more or less thickened, longer than the head. Xebtomtza Knmt not projecting ; first joint of the antennae usually slender, when thickened, never longer than the head. 2 2. Face thickly pilose Thkrbva Pace bare Fsiloobfhala XU8TOMYZA Wiedemann, Nova Dipt. Gener 1820. 'I'HfiRSVA Latreille, Precis, etc. 1796. PfliLOCBPHAUk Zetterstedt, Ins. Lapp. 525, 1840. SCENOPINID^. Small, slender, bare flies. Males usually holoptic; the front in neither sex excavated. Ocelli present. Antennae composed of three simple joints, without style or bristle, the third joint elongate. Pro- boscis short, concealed. Legs rather short; empodia wanting. Third longitudinal vein furcate ; three posterior cells, the first nar- rowed or closed in the margin ; basal cells elongate, the first much longer than the second, anal cell closed before the margin. Flies not rare in dwellings on windows. Larvae similar to those of the Therevidae; carnivorous, living in decaying wood, under car- l)ets, etc SOENOPINDB S«-BNOPiNi:>* Latreille, Hist. Nat. d. Ins. et Crust. XIV, 392, 1803. ACROCERID^. Small to large, never elongate, pilose or bare species. Head small, or very small ; thorax large, spherical ; scutellum large ; abdomen closely imited to thorax, large and inflated. Antennae two or three jointed, with or without a terminal bristle or style, inserted high up or low down. Eyes very large, contiguous in both sexes. Two, three, or no ocelli present. Proboscis rudimentary or very long. Legs rather stout ; empodia developed pulvilliform. Tegulae very 40 Famimkh ani> Gknkka ok large, inflated. Neuration variable, the veiiM Muinetinies innti A Wings without such spur ; anal cell absent. Acrckkra 4. Venation complete ; eyes pilose <>i*8BBit'S Veins more or less obsolete ; eyes liare. . . OcWiKA 6. Proboscis rudimentary Omcodes Proboscis elongate H H. Ocelli wanting ; large flies. Lasia Ocelli present ; smaller flies Ei'lonohus AoROCBRA Meigen, Illiger's Magaz. 1803. OpsBBitTB Costa, Rend, di Soc. R. Borbon. Acad. d. Sc. V. 186(t. PiALOittBA Westwood, Trans. Ent. Soc. Lond. 1876, 514. OCir^A Erlchson, Entomogr. 1846. Ptbbodontia Gray, Grifllth's Anim. Kingd. 1832. fitTLOTtCHVB Gerstaecker, Stett. Ent. Zeit. 1856. Lasia Wiedemann, Analecta, 1824. Oncodes Latreille, Precis, etc. 154, 1796. LONCHOFrERIDuE. Small (2-4 mm. ) slender, brownish or yellowish flies. Antenna; short, porrect, third joint simple, circular, with a terminal bristle. Ocelli present. Scutellum with two bristles. Legs Jong, short bristly ; pulvilli very small ; empodia wanting. Wings lancet-like, pointed ; three basal cells of moderate size, of nearly equal length ; fourth longitudinal vein furcate, and united with the flfth near the base LoNOHOPTUKA The flies are met, often in abundance, in the grass or on the stones near the margins of shady brooks. The larva; are but little known. LoircHoi>TBRA Meigen, Illiger's Magaz. II, 272, 1808. North Amrkk'an Diptkha. 41 Rather small to ver,? small, elongate, usually nearly bare, preda- eeous flies. Head small, usually round, attachecl by a free neck. Antennae porrect; first two joints often very small; third joint variable in shape, simple, not annulate, with ur without a terminal arista or style, or dorsal arista. Front not excavated. Eyes of male usually eontijiuous. Ocelli present. l*roboscis short or elon- gaW, adapter) for pien*ing; porrect, vertical, or directed backward. Tegulie small. Abiiomen in the female pointed, in the male with more or less prominent genitalia. Legs very variable in structure, the eoxie and femora often in part thickened, elongate, or with various structural peculiarities, usually sexual ; empodia not devel- oped pulvilliform. Wings variable in ncuration; the discal cell often wanting, as also the anal cell ; one to three submarginal cells present. The flies in their habits are very much like the Asilidae ; they are often observiil in swarms about brooks. The larvse live in decaying vegetable matter. Pupte free. 1. Anal cell present 2 Anal cell wanting ; or if present, very small and the sixth vein obsolete (Tachydrominse). 10 2. Front femora shorter or but little longer than the coxae (Tach- ydrominie) 10 Front femora longer than the coi^ae 3 3. Posterior b»,sal transverse vein parallel with the hind border of the wing (Empinse) 0 Posterior basal transverse vein not parallel with the hind border of the wing (Hybotinte) 4 4. Third longitudinal vein furcate ; first submarginal cell closed. Blepharoproctu-s Third vein simple, not furcate 6 5. Anal cell shorter than the second basal cell 8 Anal cell as long or longer than the second basal. 6 0. Origin of the second longitudinal vein nearer the humeral than to the anterior cross-vein ; wings usually spotted. Stnbches Origin not nearer the humeral cross- vein ; wings not spotted. 7 7. Vein between the first and second basal cells indistinct. Syndtas Vein between first and second basal cells distinct. Hybos 42 Families and TiicNERA of 8. Third antennal joint conical ; bristle terminal. Lbitopkza Third antennal joint ovate; bristle sub-dorsal. Octdkomia 0. Third longitudinal vein furcate. . . Kiiami'Homyia Third vein simple, not furcate 10 10. No discal cell Cvrtoma A discal cell present 11 11. Proboscis distinctly longer than the head. ... 12 Proboscis not longer than the head 14 12. All the legs of nearly equal length ; hind femora much tluck- ened. . Paciitmeria Hind legs longer than the others ; hind femora but little or not at all thickenema 16. Third longitudinal vein furcate; discal cell present; anterior coxae usually elongate 17 Third longitudinal vein simple, discal cell wanting. . 10 17. Front femora much thickened ; two posterior veins arise from the discal cell Heuebodromia Front femora not much thickened ; three posterior veins arise from the discal cell. 18 18. Antennse with a long terminal bristle. . Ardoptkka Antennae with a short terminal bristle ; sixth vein obsolete be- fore reaching the margin. .... Clinocbra Antennae with an extremely short terminal style ; sixth lohgitu- dinal vein not evanescent before reaching the margin. Synamphoteka 19. Anal cell, or at least the posterior basal cross-vein, present ; antennae with a long terminal bristle. Taciivdrohia Anal cell wholly wanting 20 NoKTH Ambrk'an Diitkra. 4S TOPE J! A DKOMIA •HOMYIA . 10 ;yrtoma . 11 12 14 ch thick- IIYMBRIA tie or not . 13 [teaphila oint com- ORMOPBZA 1 joint awl ninal style 15 erior meta- HlLARA metatarsi GlX>MA anterior 17 . 19 arise from JHODBOMIA veins arise 18 \HD«>PTKBA obsolete be- Clinocera xth lougittt- gin. lAMPHOTBHA in, present; CIIYDROMIA . 20 20. Front femora thickvneil. 21 Front femora n«»t thickenetl 22 21. Arista terminal Taciitpbza Arista subdorsal. Phokbutisca 22. Arista terminal Drapbtih Arista dorsal 2ft 28. Proboscis short, vertical ; palpi broad Stilpon Proboscis slender ; palpi narrow, slender. . pHONErriBCA ' Hritos Meigon, Illiger's Magaz. II, 1803. •Synbchbs Walker, Dipt. Saund. 166, 1863. SvNDTAs Loew, Dipternf. Sudafrikas, 5(K), 18tK). Blepharophoctiis Loew, Centur. II, 17, 1862 (Brachy stoma). OcYDROMiA Meigen, Syst. Beschr. II, 311, 1820. ' Kmpis Linne, Fauna Suecica, 176^^. • Pachtmbria Stephen, Syst. Cat. 1829. • Iteapiiila Zetterstedt, Ins. I^pp. 641, 1840. • Khahphomyia Meigen, Syst. Beschr. Ill, 1822. .HiKARA Meigen, Syst. Beschr. Ill, 1822. • HoHH«>PBZA Zetterstedt, Ins. Lapp. 1840. • Gloma Meigen, Syst. Beschr. Ill, 1^2. •Cyktoma Meigen, Syst. Beschr. IV, 1824. • Lbptoi'eza Macquart, Dipt. ptera Macquart, Dipt, du Nord. 1827. Synamphotbra Loew, Ztitschr. f. Ges. Naturw. VI, 46:^, 1868. • Hehkrooromia Meigen, Syst. Beschr. Ill, 1822. •Ci.iNo Smiliotus The male abdomen has six segments. .... 21 21. Third antennal joint prolonged also in the female. Rhaphium Third antennal joint of the female not prolonged. . 22 22. Third antennal joint of the male very much prolonged (small, less hairy species) ? Xiphandrium Third antennal joint of the male moderately prolonged (larger, more hairy species) Forphyrops 28. Fourth longitudinal vein forked. . . Fbilopcs Fourth longitudinal vein simple 24 46 Famiijkh ami Gknkiia or 24. Upper side of the thorax convex l>eliin<1 25 Upper side of the thorax )H>hind with a soinewliHt concave de- presBion 44* 25. Fifth lon^fitudina! vein .ultogcther wanting. °Achau'I8 Fifth longitudinal vein distinct 90 26. Distance of the posterior transverse vein from tlie margin of the wing equal to its own length or hmger 27 Distance of the posterior transverse vein to the margin of the wing shorter than its own length 88 27. Posterior transverse vein unusually oblique. ° l'i.AOiONKi;Rim Posterior transverse vein but little oblique 28 28. Hypopygium distinctly bent under the venter. 21> Hypopygium not distinctly bent under the venter or entirely im- bedded 30 29. The face of both sexerf very broad, not narrowed superiorly. «TlUNOPHILD» The face of both sexes rather narrow, somewhat narrowed supe- riorly Peoubs 30. Outer appendages of the hypopygium long, filiform. O NSMATOPROC'TtlH Outer appendages of tlie hypopygium not long, nor flliform. 31 81. Third joint of the male antennae conspicuously large. Lkucohtola Third joint of male antennae small 32 82. Pulvilli of the male fore tarsi conspicuously enlarged. . 33 Pulvilli of the male fore tarsi not, or very slightly enlarged. 34 83. Pulvilli of the male fore tarsi not prolonged. ® Eutarbcs Pulvilli of the male fore tarsi prolonged. . Diaphgroh 84. Arista altogether or almost altogether apical. .35 Arista dorsal 86 85. Wings of considerable size (larger species). . Lykonbubus Wings of small size (smaller species). Chbysotus 86. Legs of male with isolated, strong, spine-like bristles. oTeiiohophori;s Legs of the sexes without isolated, strong, spine-like bristles. 37 87. Face not narrowed above Symptcnus Face considerably narrowed above. . . Campsicnbmcs North American Diptbra. 47 MS. All ffinorH Hieniler, abdominal 8e(;incntfl with briatles before the liiiitl marinn Liancalus Fore femora incroBgated tciwanU the basis. ... 89 :)0. Fortf tibia» with long thorns Sc'BLLUs Fore tibiie with ver}' short little thorns. . Htdrophorus 40. Arista apical, or at least subapical 41 Arista distinctly dorsal 43 41 Third and fourth longitudinal veins strongly convergent. Mbdbtbrub Third and fourth longitudinal veins parallel. Ciirtsotihds 42. Male abdomen with six distinct segments. Xanthociilorcs Male abdomen with five distinct segments. . Savcropits " Face of the male prolonged downward, and dependent in the shape of a silvery sheet or ribbon ; in length, this ribbon is about equal to the upper part of the face between the antennae and the lower end of the eye. In life, the ribbon is straight ; in dried speci- mens its end is usually bent inwards. Cilia of the very small tegulsB in the male unusually long (bent backward, they would almost reach the end of the seccmd abdominal segment); they can be folded like a fan, and then form a long tapering horn or spine-like body." POLTMBDON " Hypopygium of male with four strong setule; tarsi without elongate pulvilli ; distal portion of fourth longitudinal vein inter- rupted; posterior transverse vein remote from the border; other- wise similar to Diaphorus." .... Astitdetds "First antennal joint bristly above, second rudimentary, third small, with an extraordinarily elongated dorsal bristle, which is di- lated shovel-shaped at the end. Face descending below the angle of the eyes. Hind femora in front with only one preapical bristle ; hind metatarsi unarmed. Hypopygium free ; the exterior processes lamelliform. Last section of the fourth longitudinal vein strongly convergent toward the third, so that the terminations of the two veins are close together. M. (Tachytrechus) maechus Loew." MaCBUjOOERUB. SYRPHID^. Rather large to rather small, thickly or thinly pilose, often brightly colored Hies. (^>celli present; males holoptic or dichoptic. Third joint of antennae simple; with a dorsal bristle, or rarely a terminal style. Abdomen very variable in shape. Legs often with structural sexual peculiarities; empodia not developed. Three basal cells of wing large ; first posterior cell closed near or at some distance before the margin of the wing ; between the third and the fourth longitud- Familiks ami* Gbnkra or inal veinH, an Opbtia Meiq. Callomyia Meigen, Klassif. 1804. Platypeza Meigen, lUigcr's Mag. 1803. Platycnkma Zetterstedt, Dipt. Scand. I, 1842. (KSTRID^. Moderately large to large, plump, thickly or thinly pilose flies. Head large; face and front broad. Antennae small, three- jointed, more or less concealed in a subantennal cavity or grooves ; first two M FAMILIEt AMD GbXKXA OF joints very short, the third round or oval, with a dorsal arista. Mouth opening small, the mouth parts small or rudimentary. Eyes comparatively small, bare. Ocelli present. Abdomen never elon- gate ; hypopygium concealed ; ovipositor often projecting. Legs moderately strong, the hind pair sometimes elongate. Tegulse usu- ally large, concealing the halteres; sometimes small, and long ciliate. Wings usually with fine transverse wrinkles; third vein simple ; first posterior cell fully or narrowly open, or closed and petiolate; basal cells small; discal cell sometimes wanting; the posterior part of the wings broadly unsupported by veins. Bot flies, parasitic in the larval stage in the skin, stomach, frontal or pharyngeal cavities of perrisodactyls, artiodactyls, rodents, ele- phant, monkeys, etc. Each species is parasitic in the same way, and, as a rule, on the same species of mammal ; and allied species usually have similar habits, on allied animals. The occurrence of bot-flies on other than mammals needs veriflcation. Pupal stage passed in the ground. 1. First posterior cell wide open, the fourth vein running straight to the border of the wing. (Horses.) Gabtrophilcs First posterior cell narrowed or closed, the fourth vein distinctly bent forward 2 2. First posterior cell closed and petiolate. (Sheep.) . Oestrus First posterior cell narrowly open. .3 3. Arista plumose on the upper side. (Rodents.) . Cuterebra Arista bare ; pilose species 4 4. Subantennal grooves separated by a median ridge, terminiAing in a shield-shape surface below, limited on each side by a slen- der g^roove running to the oral margin 5 Subantennal grooves continuous to the oral margin, feebly sepa- rated from each other. (Deer.) . Cbphbnomyia 5. Palpi present. (Reindeer.) ..... Oedbmaoena Palpi wanting. (Oxen, etc.) .... Hypoderma Gastrophilus Leach, 1817. Hypoderma Clark, Essay on Bots, 1816. Obdbmaqbva Latreille, Fam. Nat. 1826. Obstrus Linne, Fauna Succica, 1761. Cephenomyia Latreille, Fam. Nat. 1826. CuTBRBBRA Clark, Essay on Bots, 1816. North Aiikricax'1)iitkra. 67 n M U 8 C I I) ^. The very large family of Musctdie has been divided into numerous aubdivisionH, which by some entomologists are accredited with fam- ily rank. The number and limits of these suli-families, are more or less the subjects of diverse opinion by dipterologists. The follow- ing characters will apply to the family in its entirety : Antennas three jointed, the third joint simple, usually round or oval, with dor- sal arista. Proboscis always present, usually short, with dilated labella, sometimes elongate and adapted for piercing. Auxiliary vein sometimes entirely wanting, sometimes coalescent with the first longitudinal vein; one submarginal, three posterior cells present ; basal cells small, the second sometimes coalescent with the discal, the latter sometimes absent ; pulvilli present ; empodia never developed pulvilliform. The flies are often small, or minute, usually more or less bristly, and not often much pilose. The larvae are very variable in their habits ; pupae always enclosed in the larval skin. Two chief divisions are recognized, based upon the size of the teg- ulae, the Muscidae calyptratae and acalyptratae. In the former they are well developed, in the latter small or rudimentary. All the families of the former (except the Anthomyidae) have the first posterior cell either closed or narrowly open, a character rarely found in the second division. Tfie differential characters of the calyptratae have already been given. The flies have hitherto received but little study in tliis country and it is at present impossible to give a table of the genera that would be of much value. For the Muscidae acalyptratie I am prepared to give only a translation, with some modifications, of Schiner's table of subfami- lies (Fauna Austriaca), with a reproduction of the characters given by Loew in his Monographs. MUSCIDiE ACALYPTRATAE. 1. Auxiliary vein present, distinctly separated from the first longi- tudinal vein, terminating separately in the costa ; the first longitudinal vein usually terminates at or beyond the middle of the wing 2 Auxiliary vein absent, rudimentary or incomplete ; the first lon- gitudinal vein usually terminates before the middle of the wing. 13 68 Familiss anu Gbmbra or - 2. Anterior border of the mouth with vibrissK. ... 8 Oral vibrmm not present 7 3. The distance between the anterior and posterior cross- veins (on the fourth vein) four or Ave times less than that between the posterior cross- vein and the posterior margin of the wing. Hktbroneuridjs The distance between these veins but little less or greater than that to the hind margin 4 4. Abdomen elongate, usually cylindrical, narrowed at the base, behind somewhat decurved ; male genitalia usually clubbed, projecting from the abdomen. 5 Abdomen comparatively short and rather broad, never cylindri- cal, or narrowed at the base ; male genitalia but little or not projecting; wings large 6 6. Front on the sides, and the vertex, with long bristles. CoRDVLUBIDi« O Vertex, only, with long bristles; body always shining black. 6. Proboscis horny, shining ; labella usually pointed ; third anten- nal joint elongate ; males often woolly pilose. CobdtluridwK O Proboscis not horny or shining; third antennal joint short or round ; males never woolly pilose. Phycodrohidjb, HelomtKida 7. Antennae much elongate, and porrect; second joint as long or longer than the third SciOMvziOiB Antennae not elongate, or, if so, decumbent ; second joint always shorter than the third 8 8. Two posterior basal cells very small and indistinct. LoNOHiii:iD.«:, Sapromyzid^k Posterior basal cells large and very distinct. ... 9 9. Hind tibiae with a preapical bristle. . SciOMTZiDiS Hind tibiae without preapical bristle 10 10. Front with bristles on the sides ; the auxiliary vein terminates steeply in the costa. Trtpbtida Front bristly only on the vertex or upper part ; the auxiliary vein terminates acutely in the costa 11 11. Legs elongate, often very long; abdomen slender and long, nearly cylindrical, often narrowed, or pedicellate at base. 12 Legs not elongate ; abdomen never narrowed at base. OsTALiDiB o o North Amkrican Diptkma. , W 12. First posterior cell much narrowed in the margin. MiCROPBXiDiC First posterior cell but little or not at all narrowed in the margin. Skpsid^h 13. Hind metatarsi shorter than the following joint and much thick- ened BORBORIDJB 0 Hind metatarsi longer than the following joint and not more thickened 14 14. Second basal cell united with the discal cell ; posterior cross- vein present 16 Second basal and discal cells distinct, or, if united, the posterior cross-veins wanting 18 16. Legs long and slender ; abdomen elongate and narrow. MlCROPBZID.« Legs moderately long and usually rather strong; abdomen ovate, or elongate elliptical 16 16. Front without bristles, or, at most, bristly at the top ; third joint of antennae rounded, or, if elongate, the head triangular in profile. Obcinida ^ Front bristly at least as far as the middle ; third antennal joint elongate, oval, or rounded ; head not triangular in profile. 17 17. Face large ; mouth opening large ; anal cell wanting. £PHTDRID.« _ Face not large and arched ; anal cell present. DROSOPHiLiDiB 18. Oral vibrissse present. ^^ No vibrissas on oral margin 22 10. Front bristly at the vertex only, or not at all. . 8«p«i»* fUt-Zi .^i.i.«r-/«:^»- Front bristly at least as far as the middle. ... 20 20. Posterior cross- vein before the middle of the wing, approxi-*. mated to the anterior cross-vein. . Aoromyzid^s | — Posterior cross-vein at or beyond the middle of the wing, some- times absent 21 21. Arista long plumose or pectinated. Asteid^, Drosophilid.s< — Arista shortly and thickly plumose, or pubescent, or bare, GBOMYZID.fi O 22. Anal cell of considerable size and distinct. ... 28 Anal cell small and indistinct 24 23. Front bristly Thypbtid.« ^ Front bare, or bristly at the vertex only. .. PsiLiDiE 00 FAMILIKn AND (iKNKRA OF 23. Silvery white or whitish gray specie^ witli unspottc*! witifi^g; J posterior cr«»s8-vein wanting. PnTTOMTZinjE 1^ ' ^ Reddish yellow or brownish red species, often with spotted wings OroMYZii)^ C o R u Y L r It I D ^. Neuration of the wings complete ; both posterior basal colls of considerable size ; auxiliaiy vein well separated from the first longi- tudinal vein ; first longitiniinal vein bare. Whole lateral border of the front bristly ; anterior border of the mouth with strung, usually numerous vibrissae. Tibiae with spurs. HELOMYZIDiG. Neuration of the wing^ complete ; costa bristly ; first longitudinal vein not abbreviated, but bare ; the auxiliary vein is often rather approximated to it. Front bristly on its upper half only ; a stout bristle at each side of the anterior border of the mouth. All the tibiae with spurs and outwards before their tips with a more or less developed erect bristle. SCIOMYZID*. Neuration of the wings complete ; two posterior basal cells of rather considerable size ; auxiliary vein well separated from the first longitudinal vein. On the lateral border of the front before the vertical bristles there are two bristles, one behind the other ; face proportionately long without distinct furrows for the antennas ; bor- der of the mouth sharp, without vibrissae. Middle tibiae with a greater number of bristles at the tip ; all the tibiae on the outside before the tip with a small erect bristle P s I L I u ^:. Body elongated, with short hairs and almost without bristles. Neuration of the wings complete ; the auxiliary vein lies close by the first longitudinal vein, but diverges from it at its end and runs towards the border of the wing ; by a transverse fold most charac- teristic in this family running from the tip of the auxiliary vein as far as the base of the third posterior cell, the outward end of the auxiliary vein is obliterated ; the posterior basal cells are very large. Front with only a few bristles in the neighborhood of the crown ; face receding ; opening of the mouth small and with no bristles at its border. Only the middle tibiae have spurs, and all the tibiae are without erect bristle on the outside. MiC ROPEZID.£. Body slender, elongated, with very short hairs and very scarce bristles. Legs proportionately short; only the middle tibiie have spurs, these being generally very small and weak ; no small erect bristle on the exterior side of the tibiae. Neuration of the wings NoKTii Amkhican Diptkra. tfl JH^> t-nnipleto ; first lontdtudinal vein bare ; the auxiliary vein is Terjr clo8i' by it and diverKrs from it towards its end only ; the two pot- ti'rior basal cells are very lar^e. Front with some bristles in the neiKbborliood of the crown only ; bordering of the mouth without vibrissie. t^st sesment of the abdomen of the female prolonged into a blunt, cylindrical tube. Onrxhivx. Neuration of the wings complete; auxiliary vein separated from the first longitudinal vein and running to the border of the wing in the usual way, under an acute angle and remaining perfectly dis- tinct in its whole length ; third longitudinal vein generally with coarse hairs ; two posterior basal cells large, and the outward one frequently prolonged in an acute angle. Front with bristles on the upper part only ; no vibrissse at the border of the mouth ; clypeus commonly ver^ much developed, and proboscis often very much thickenea. Middle tibiae alone with snurs ; no tibiae with an erect bristle on the exterior side before the tip. Ovipositor of the female rather flattened and homy, consisting of three elongated segments, forming three drawers like those of a telescope, and ending in a simple point. Trypetidjb. Neuration complete ; the end of the auxiliary vein runs steeply to ^he border of the wing and becomes obsolete ; first longitudinal vein aiways with bristles, the third frequently, the fifth sometimes ; two posterior basal cells rather large, the hindmost is often prolonged to a point. Front on each side with two rows of bristles, one of which is more above and interiorly, the other below and exteriorly. Bor- der of the mouth with no vibrissae. Clypeus none or rudimentary. Proboscis never incrassated. Only the middle tibiae with spurs ; all tibi«e without erect bristle on the outer side before the tip. Ovipos- itor horny, consisting of three elongated retractile segments like the drawers of a telescope, the last of which ends in a simple point. LOMCH^ID^. Neuration complete ; the auxiliary vein runs to the border of the wing in the usual way, under an acute angle and without becoming obsolete, and is verv near to the first longitudinal vein ; this vein is bare ; the two posterior basal cells are small. Front at each side with a single row of bristles ; border of the mouth without vibrissae ; clypeus rudimentary. Middle tibiae with spurp; all tibiae without erect bristle on the exterior side before the tip. The ovipositor of the female consists of three joints and is rather horny, quite flatten- ed, and ends in a simple point. SAFROHYZIDiG. Neuration complete ; auxiliary vein of the usual structure, fre- quently very much approximated to the first longitudinal vein ; costa of the wings without bristles or marginal spine ; longitudinal veins without peculiar hairs ; posterior basal cells small. Front with a Familib* and Gknkba or ■ingle row of briitlet on each tide ; no vibrisss on the bonier of the mouth ; djrpeui rather rudimentary. Only the middle tibi» hare terminal ipurt ; all tibi« with a snuill erect bristle on the exterior aide before the end. Oripotitor of the female not homy. Phtcoobomidx. Thorax, scuttfllum and abdomen flat ; picune excised aliove the coxsB. Front bristly ; border of the mouth hairy, with no distinct TibrisssB. Legs stout, tibisB with spurs and each with an erect hair or small bristle on the outside before the tip ; the first Joint of the posterior tarsi not abbreviated ; last joint of all tarsi enlarged, with stout claws and long pulrilli. Neuration of the wings complete ; auxiliary rein distinct in its whole length ; costa without bristles ; basal cells not small. HBTBBONBURIDifS. Neuration of the wings complete, but the first longitudinal rein rather short, and the auxiliary rein rery much approximated to it ; costa without bristles ; basal cells small. Front with long bristles ; border of the mouth with a ribrissa at each side ; clypeus not derel- oped ; palpi broad and proportionately large. Legs, and especially the tarsi, slender ; middle and posterior tarsi with spurs ; all the tiblsB without erect bristle on the exterior side before the tip ; claws and pulrilli rery small. OPOMYZIDiC:. Front with stout bristles abore ; clypeus rudimentary ; border of the mouth either pubescent or with long hairs, the foremost of which sometimes forms a distinct ribrissa. Proboscis short ; palpi rather small. Middle tibiss with a distinct, posterior tibiae with a rery short spur; the exterior side of the tibisB without erect small bristle before the tip ; claws and pulrilli small. Wings elongated and nar- row, with uo bristles on the costa ; the axillary incision and alulae are either wanting or rery diminutire. First longitudinal rein much abbreriated ; the auxiliary rein becomes obsolete before reaching comi>letely the first longitudinal rein ; the latter emits, shortlr be- fore its end, towards the costa, a branch, which may be considered as the end of the auxiliary rein ; basal cells small. S B P S I D iB. Head rounded ; front bristly ; border Sf the mouth more or less hairy, the foremost hair often imitating a ribrissa ; clypeus rudi- mentary; proboscis short; palpi erceedingly small or wanting. Abdomen tapering towards the base. Middle tibiae with distinct ■purs ; claws and pulrilli small. Neuration of the wings complete ; the auxiliary rein distinctly separated from the first longitudinal rein ; the two posterior basal cells rather large. DlOPSID^. Neuration of the wings incomplete from the absence of the fore- most of the two small basal cells ; the auxiliary rein rery much NoBTH Ambkican Diptrba. nppmxinmtpd to the lint longitudinal rein. Head prolonged in two lateral apophysee bearing the eyei ; front bristly only on the upper part ; border of the mouth with no vibrituB. Anterior femora In- eraatated. PlOPHILIDA. The auxiliary rein, on ita whole length, is coalescent with the flrat longitudinal vein; with this exception the neuration of the wings is complete. Front with some small bristles above only ; bor- der of the mouth with a vibrissa on each side ; clypeus rudimentary ; legs rather stout, almost of the structure of those of the Scioin v- zidie; middle tibiae with spurs; all the tibiae without erect bristle on the exterior side before the tip. EPHTDRIDiB. Face convex, with no distinct furrows for the reception of the antenne and without vibrissae, though frequently beset with hairs or bristles ; clypeus verv much developed ; opening of the mouth large ; proboscis incrassated with a swollen chin. Neuration of the wings mcomplete ; the auxiliary vein distinct only at its base ; the fore- most of the two small basal cells reunited with the discal cell. Mid- dle tibiae with spurs. GEOMTZIDiB. Front with stout bristles above ; border of the mouth with vibris- sae. Clypeus rudimentary. Middle tibiae with spurs; all the tibie with a small erect hair on the exterior side before the tip. Wings with bristles on the costa ; first longitudinal vein exceedingly abbre- viated, and the auxiliary vein so approximated to it that it is dis- tinctly separated from it only towards the base ; the two posterior basal cells very small. Drobophilidje. Front with bristles above ; face with distinct sub-antennal furrows ; at the border of the mouth there is a feeble, frequently rather indis- tinct small vibrissa. Middle tibiae with very feeble spurs ; on the exterior side of the tibiae there is either a very small or no erect bristle before the tip. Wings without bristles on the costa; the first longitudinal vein is exceedingly abbreviated ; of the auxiliary vein there is onl^ a rudiment ; the discal cell is usually, but not in all genera, united with the foremost of the two small basal cells. Claws and pulvilli very small. OsCINIDiB. Front without bristles, the crown having only a few short ones ; border of the mouth without vibrissae, which, however, are repre- sented sometimes by a small hair on each side. Middle tibiae with small spurs ; all the tibiae without erect bristle on the exterior side before the tip. Costa of the wings without bristles. The auxiliary vein is completely wanting ; the anterior of the two small basal cells is united with the discal cell, the posterior one is totally wanting. 04 Familikk AMU Gknkiia ot- : A M K O M Y Z I I* «. Front witli atmiiK bristloa ; bonliT of the mouth with n vihristii on uach aide. Midi! Ic ti bias with a tfrniinMl aiiiir; ail tht' tihiw on thu exterior aiijo without erect bristle before the tip. Win^a with- out briatlea on the uosta; firat lonKituilinal vein very aliort, an*i tlie auxiliary vein connected with it at the tip ; baaal cella exiating, but aniall ; t)ojiluiQr.traQ(ri:n£J[cin generally far distant from the bor- der of tlie wing. /^v v-v . >, / P H Y T O M Y Z I l> iV. Front briatly ; border of the mouth with vibriaaae on each aide. Middle tibiae with apura ; all the tibiae without erect briatle on the exterior aide. Winga without briatlea on the coata ; flrat longitudi- nal vein very abort ; auxiliary vein connected with it at the tip ; baaal cella exiating, but amall ; poatcrior tranaverae vein wantin|f. Abtkium. Front briatly above ; border of the mouth with a vibriaaa at each aide. Middle tibiae with apura ; all the tibiae without erect briatle on the exterior aide. Winga without briatlea on the coata ; flrat longi- tudinal vein exceedingly abort; auxiliary^ vein connected with it only at the tip ; aecond longitudinal vein very abort ; two poaterior baaal cella aa well aa the poaterior tranaverae vein wanting. BoRBORIDiK. Thorax, scutellum, and abdomen flat ; front briatly ; face exca- vated, with a vibriaaa (m each aide of the border of the mouth ; clypeua developed ; flrat joint of the posterior tarai abbreviated. Neuration of the wing incomplete, only a commencement of the auxiliary vein being at best visible ; the hindmost two baaal cells are not complete in all genera. PHORID^:. Small, hunchback-like, nearly bare species. Head small, flatten- ed ; face very short, oral opening large. Front broad in both sexes ; ocelli present. Antennae apparently one or two-jointed, the termi- nal joint round, with a dorsal of apical bristle. Abdomen rather short, narrowed posteriorly ; genitalia of male often prominent, in the female projecting. Coxae elongate, the femora more or less, the hind pair often extraordinarily, widened and flattened. Wings large; on the anterior part with two strong veins, not reaching be- yond the middle, from which from three to Ave weak veins appa- rently arise and run across the wing. The larvae feed upon living or dead snails, beetles, hy menoptera and lepidoptera, or on fungi, decaying vegetables, etc. The flies have a peculiar hunchback appearance, rapidly running hither and thither. ) North Ambkicam Diftbba. a. Front entirely withont bristles OrMworiMMU Front with long briitiet S Middle tibia betet with brietlei along the outer side. Tbinbitba Middle tibis with a few or no briatlet on the outer tide. Phoba Tbinbuba Meigen, liliger't Magai. 1803. Gtmnophoba Mavquart, Hiit. Nat. Dipt. 1886. Phoba I^atreilie, Hiet. Nat. det Crust, etc. 1804. HIPPOB08CID-S. Head depressed, flattened, closely attached to the emarginate thorax. iVntenna inserted in depression near the oral margin, ap- parently one- jointed, with a terminal bristle or style. Face short. Kyes small ; ocelli present or absent. Thorax depressed, flattened, leathery, with a well-marked transrerse suture. Scuteilum broad and short. Abdomen oval, flattened, homy abore. Legs short and strong, broadly separated by the sternum, the femora dilated ; tarsi short and broad, the first joint of the four anterior, or of all, abbre- viated; claws strong and well developed, often toothed below. Wings sometimes absent ; when present, with variable neuration, the veins on the front part usually strong, and those posteriorly weak. The flies are parasitic in their adult stage upon mammalf and birds ; the immature stages are completed within the body of the female, the large puparium being extruded only a little before the time for the mature fly to emerge. 1. Wings wholly wanting. Mblophaods Wings present, functional, or rudimentary. ... 2 2. Claws below with three teeth ; ocelli present. Orkithoiitia Claws with two teeth ; ocelli usually wanting. ... 8 8. Wings rudimentary, or, if present, with weak and indistinct veins. Lifoptbka Wings large, the veins in front strong 4 4. The furcation of the second and third veins at or beyond the middle of the wing Hippobobca The furcation of the second and third veins takes place near the base of the wing. Olfbrsia Olpbrsia Wiedemann, Auss. Zweifl. Ins. II, 18S0. I i if 1 66 Vauiumb ANit Gbnkra op Obnithomyu I^treille, Hist. Nat. des Crust, etc. XIV, IH04. LiPOPTKNA Nitsch, Germ. Mag f. Ent. Ill, 1818. MBLOPHAOD8 Tjatreille, Hist. Nat. dcs Crust, etc. XIV, 18(>4. Hii'POBOsoA, Linne, Fauna Hueeica, 1761. NYCTKRIBIDiK. Wingless, pupiparous flies, parasitic upon bats in tlie adult stage. Head small, eyeless, folding bace into a groove on the dorsum of the thorax. Legs long, spider-like ; claws well developed. • Nyctkhibia. Ntotbribia Latreille, Hist. Nat. des Crust, etc., XIV, 1804. NoKTH Amkrican Diptrra. m B I B I. 1 O G R A P H Y .* 1878—1888. II of BIA. 1 Bi4ioT, J. F. M. Dipt. nuuv. etc., An. Sov. Rnt. Fr. 1878, 81-48,313- 236, 401-446. [XII. Phumosia scapulata, 35, iris, 36, Mex.: \ 2 > 4 H \ 5 sia eupoda, 234; Aphestia ninn'a 2.36; Atomosia soror, 236; Cerotainia nigra, diibia, 238; Pogonosoma arachnoides, 239, all Mex.: Dasypogon bilimbatus, 411 (Callinicua cal- caneum L.); f|iinHriniitatiiflj 412, Calif.: Seilopogon rubigi- nosus, 410, N. A.: Stenopogon albibasis, 422, f Jtnarna pi<»- tlta^-aigf 417, Calif.: Aniaipogon vespoides, senilis, Calif. 423 ; Trielis notata (Taracticus sexnotatus Say ), 433, N. A.; Hnlnpngnn nitic^iyftiitriH, 437, ? APPftniiifiHlatllH, 438: Lfijb. t;npattar pfiftpiilqriw. 444- all Calif.: Microstylum fulvigaster, 410 ; Stenopogon f uscolimbatus, 421 ; Ceraturgus genicula- tus, 443, all Mexico.] Bulletin Soc. Entom. de France, 1879 [MeRAFioiDUSt villosus, 64, Georgia: Sackbnimyia, for Pangonia analis Fabr.] Bull. Soc. Ent. Fr. 1879, 86. eura clausa O. S.] [Parasymmictdb, for Hirmon- Bull. Soc. Ent. Fr. 1879, 164, [Note on Arthropeas, Glutops, etc.] Dipt. nouv. etc., XVI, Annates Soc. Ent. France, 1870, 183- 236. [Xylophagidae, Strationwidse. Macrocbroxyb (Sub- ula) fulviventris, 187, Mex.: Ccenomyia cinereibarbis, 194, Baltimore: Opiacantha iimbata 196, Mex.: Dialysis ^Trip totricha) dinpar. 197, Calif.: Herraetia nigrifacies, 200, Mex.: EuDarvphuB niarer. 206, Calif.: Stratiomyia dentata 210, |ai-erftta. 211 Cnlif.; Exochostoma (Odontomyia) cat oceps, 217, Colo.: '•^'rfllfl "'ff'-ihnrhip 224, Calif.; splendens, 224, Mex.: Chrysonotus flavopilosus 227, Mex.: Merosargus fraternus; 228, calceolatus, 229, Mex.: Ptecticus flaviceps, 230, Mexico.; Hermetia ftavoscutata, 201, Mex.: Macrosar- gUB smargdiferus. 226, Mex. Note on Laphyctis, and Laphystia, 236.] * Only papers oontaiulng descriptions, synonyms, or distribution, ara inolnded. t New genera are pi luted in small capitals. •WP" T 68 Familibr and Gbhbra or 6 Bigot, J. F. M. Bull. Soc. Ent. Fr. 1880, 6 [Mboalomyia argyropasta, Panama: Aoanthomera rubriventris, Gau- temala. ] 7 Bull. Soc. Ent. Fr. 1880, e2 [Phyllomydas phylloceras. Rocky Mt8., KifopLKHpi^ mira. Calif.: Megacytarus argenteus, Colorado.] 8 Dipt nouT. etc.« An. Soc. Ent. Fr. 1880, 213-230 [new species of Eristalia; see Williston, SynopsisJ, 369-376 [notes, with generic synopsis, Tabanidie; no new species.] \ 0 10 11 12 13 14 \ 16 16 1 17 18 10 90 Dipt. nouv. etc. An. Soc. Ent. Fr. 1881, 13-21. [Notes; Parasymxictub ; generic synopsis of Nemistrinidae.J [Notes and Ent. Fr. 1882, 78. [Edrhinomallota metallica, Dipt. nouT. etc. An. Soc. Ent. Fr. 1881, 272-274. Corrections.] Bull. Soc. Mex.] Bull. Soc. Ent. 1882, 112. [Myelaphus melas, Enoplefnpin cinerea. Calif.] Bull. Soc. Ent. Fr. 1882. [Doliosyrphus scutellatus, hir- tipes, Panama: Asbmosyrphub oculiferus, nigroscutatus, flavicaudatus, bicolor, Mex.: Romaluosyrphub villosus, Mex.; see Williston, Synopsis.] • Dipt. nouv. etc. An. Soc. Ent. Fr. 1882, 6-22. [Anthomyidae; notes, table of genera.] Dipt. nouT. etc.. An. Soc. Ent. Fr. 1882, 463-460. [Notes ; Mboalomyia argyropasta, 466, Panama ; rubriventris, 466, Guatemala ; synoptic table of species of Acanthomeridae.] Bull. Soc. Ent. Fr. 1883, 36. [Probobcihyia siphonina, Rocky Mts.] Dipteres nouv ou peu connus. Ann. Soc. Ent. Fr. 1883, 61-88. [Notes: table of sp. of Volucella and Phalachromyia: four new sp.; see Williston, Synopsis. ] Dipt. nouv. on peu connus. Ann. Soc. Ent. Fr. 1888, 221-268. Syrphidae: notes; table of genera.] Ibid. 1882,316-366. [Thirty-flve new sp. of Svrphida).] Ibid. 1884, 7'i-116. ^-' jThirty-three new species of Syrphidffi.] Ibid. 1884, 636-660. ]Twenty-one new species of Syrphidae J Ibid. 1886, 247-262, 'Melanostoma cyaneocincta, 261, Mex.: Ocyptamus fenes- tratus, 261, Mex.] See Williston, Synopsis. Bull. Soc Mex.] Bull. Soc. Eat. Fr. 1884, 06, inidae, Mex. ] Ent. 1884, 42. [Cholomyia inaequipes. Dexidae, [Ancyologastbb armata, Tach- NOKTH AMBKIOAH DirTKBA. W \X ai BiooT. J. F. M. Bull. Soc. Ent. Fr. 1885. [Rhamphiniha dubU, SlPHOMIOMYlA melM, l)e'<(idB, Mvx.; HnnnnMmiA niflP*i I)exid», CalifornU: SxinroiiYiA longiuornis, Ortalidie, Mex.: DiMOKFHOMTiA ciilli] horides, Tacliinidie, Mex.] 22 25 26 27 28 )/^W ReT. d'Entomologie. 1885, 25&-26e. notes ; synoptic table of genera.] [Dexids», Sarcophagidie; Dipt. nouT. etc. An. Soc. Ent. Fr. 1885, 225-246. [Pupipara ; notes, table of genera ; Olfersia impressa. 237, Calif.; sor- dida, 239, Guatemala : Omithomyia nitens, 241, Panama; haitiensis, 242, Hayti : Nycteribia mexicana, 246, Mex.] Dipt. nouT. ou peu connus; Annalea Soc. Ent. France, 1885, 263-304. [Proboacimtia siphonina, 267, Rockr Mountains: Limnophora limbata, 271, normata, 272, rufi- pes, 272, anthrax, 274, Mexico : Hydrophorla ? pictipes, 275, calopus, 275, Mexico ; nigricauda, 276, Rocky Mts.: Ghortophila spinipes, 279, Rocky Mts.: Trichopticus crena- tU8, 281, Mex.: Homalomyia mexicana, 284, Mex.; dentata, 281, rupecula, 285, Rocky Mts.: Spilogaster plumifera, 288, CubaYiulya. 289, Wash. Terr.; fulviventriii. 291, Calif.: Antnumyia monticola, 297, anthracina, 298, Rocky Mts.; o«ulifera, 299, Baltimore: Hvlemvia flavicaudata. 299, Wash. Terr.; Diflyta bicolor, 802, Mex.] Bull. Soc. Ent. Fr. 1886. p. CIII. fllHAwnoHK^i^PHnB miM. Calif.] Bull. Soc. Ent. Fr. 1886, CLXVH. [Note on Megalemyia.] Dipt. nouT. etc. XXXVIl, Soc. Ent. Fr 1886, 2^-302. [S. noptic table of Tanypezidie, wifa notes; no new species T Bull. Soc. Ent. Fr. 1887, LX. [Notes on Thereneniyia and Epibates.] Dipt. nouv. etc. 1887, 17-46, 203-208. [Table of species of Loxocera : Stratiomyidte and Conopidie : Oplacantha annulifera, 21, Ga.: Stratiomyia diademata, 23, Ga., Colo calopus, 23, Colo.; nevadae, 24, Nevada; simplex, 24, Tex Colo.: (Montomyia pyrrhostoma ; 25, hoodiana, 25, Mt H(H)d : Chrysochlora quadrilineata, 26, Cuba : Sargus punc- tifer, 27, Colo.: _picticomis. 27, Wash. Terr.; palTipes, 28, Mt. Hood ; saphireus, 287Cuba Myochrisa coerulia, 29, N. Amer.: Nemotelus tristisj Calif.. Gfenera of Conopidse, 30 Conops nigrimanus, 38, oehreiceps, 39, Georgia; nigrifa ceis, 40, earbonarius, 42, Mex.: Zodion triste,, 203. Calif, flavipennis, 204, xebrinum, 205, Mex.; Glossigona rubida 206, Colo.; maculifrons, 206, Nevada : Gonorhynchus cas taneus, 207, Nev.] 70 Families ahd Gbhbra or / 80 BiooT, J. F. M. Dipt. nouv. etc. Bull. S<)c. Zool. de France, XII, 1887. [Leptidn. Synoptic table of genera: Chrysopila flavi- da, Canad.; tomentosa, Colo.; ^tnt^racina. Calif.; testaceipei* Wash. Terr.: Leptipalpus limbipcnnis, Rocky l^s.; stig- matias, Cuba; obscunpennis, Rocky Mts.; vertebratus, Hayti : Symphoromyia latipalpis, Rocky Mts.; picticomis, Wash. Terr.; trivittata, Colo.; fulyipes. atripes. Oregon; comata. Calif.. Leptis inaculifera, alhi^arhin, Wash. Terr.; pruinosa, hoodiaju* Oregon; Atherix pachypua. Wash. Terr.: Clinocera maculipes. (yalifTl \ SI Dipt. nouT. etc., Bull. Soc. Zool. France, XII, 1887, 687-617. [MuscidsB. Notes, synoptic tabia of genera. Ni^llia glab- ricula. 604, Calif.: PoUenia obscura, 697, N. A.: Somomyia rudgena, 608, N. A.; iridicolor, 690, Cuba; rectinervis, 600, Rocky Mts.; xanthorhina, 602, Mex.; rupicola, 603, Rocky Mts.: Musca flavipennis, 606, Rocky Mts.; atrifrons, 607, Cuba, Mex.: Curtoneura fulvipes, 613, vittigera, 013, Mex.; anthomydea, 616, Rocky Mts.; pallidicomis, 614, callimers, 616, Mex.; nigriceps, 016, Mex.: Pyrellia obscu- ripes, Mex.] "^ 32 Dipt. nouv. etc. An. Soc. Ent. Fr. 1886, 860-392. [Micrope- lidsB: Tbtradisous pictus, Rocky Mts.; notatus, Mex.; Nerius plurivittatus, 372; flavifrons, 372, Mex.: Calobata caiiichroma, 3/3, calocephala, 376, Mex.: Taeniaptera cal- losoma, 370, pallidipennis, 380, ornatipes, 380, Mex.: Gral- lomyia calloptera, 81, Mex.: Megamerina fulvida, 384, Mex.: Cephalia ' raaculipennis, 386, Rocky Mts.; ? fulxk cornis. 386, Calif.: Otlnntnmftm. ? *«tftfltti 386, Wash. Terr. Mlcropeza obscura, 387, Mex.: Enicopus 1 fuscus, 388, Mex.: Nemopoda fulvicollis, 390, aterrima. 390, Calif.; cubensis. ^M. Cuba : obscunpennis. 392, Calif.] Note Bur la Synopsis of the North American Syrphidae par Mr> S. W. Williston. Bull. Soc. Ent. Fr. 1887, CXXI-CXXIU. 34 Bbroboth, E. Ueber einige nordamerikanische Tipuliden. Wien. Ent. Zeit. VII, 103-201, 1888. [Dicranomyia venusta, 104, Sitka : Molophilus colonus, 196, falcatus, 196, paulus, 196, Sitka: Gonomyia galactoptera, 196, Sitka; Tricho- phona septentrionalis, 199, Sitka : |*achvrhii^(t Wiilpiana. 200, Calif.: notes on seven other species.] 36 Braubr, Fbibdrich. Versuch einer Characteristik der Gattun- Sen der Notacanthen, etc. Denschr. d. math.-naturw. CI. d. ais. Alkad. d. Wissensch. XLIV, 69-10, 1882. [Synop- tic table of genera; CvNiPiMORPitA Bilimecki, 76, Mex.: Myxosarous fasciatus, 77, Ilex., Carolina.] 36 Systeinatische-zoologische Studien. Sitzenberichte der kais . Akad. der Wissenschaften, XCI, 1 Abtheilung, 237-414, plate. [Asilus mydas; 161, Mex.: Calcbata.iehneuuionea, 162, both figured.} \/33 NoHTH Ambhicak Dii^kba. 71 t .' '" K 37 B1TROBH8, EDWARf>. UnJtetl States AKricultunil Keport, for 1879, pp. 201, 202. [OHciiiU trifolii, 201, 1). C : malv», 202, D. C] 1/88 CoMHTocK, J. H. United States Agricultural Report, for 1880. [Diplosis eatalpte, 260, larva and adult : Drosophiiae, 100- 202 ; Sciara oceilaris (>. S. 204.] 39 CoqiriLLKTT, D. W. Monograph of tlie Lomatina of North America. Canad. Entom. 1880, 81-87. [Tables : Euckhhia 40 41 42 48 rufapna, Wi, Calif.: t^ptnchiluii trai^yitim, 83, Calif.; ApRofr- tantUHJitiiB. 84, hirsutus. 86, vittatus. 80. pavidus. 87. Calif.] The North American genera of Anthracina. Canadian En- tomologist, 1886, 167-169. [Table of genera: Vblocia (Hyperalonia) cerberus Fabr., 168; l^Awnf a nana, 169, Calif.] The North American species of Toxophora. Entom. Amer. I, 221, 222, 1880. [Table of species; notes; Tjxophora gellucida, 222, maxima. 222, Calif.] Notes on the genus Exoprosopa. Canad. Entom., XIX, 12- 14, 1887. lExopTATA divisa. 13, Calif., Ariz.] Monograph of the species belonging to the genus Anthrax from America north of Mexico. Trans. Amer. Ent. So- ciety, XIV, 16fr-182, 1887. [Table of species: descrip- tions of known species ; numerous synonymical notes : Anthrax ( Dipalta) junctura, 163, Calif:; (Dipalta) Keenii, 164, Ariz.: aeneaf 16o. Calif.: nebulOf 165, Wash. Terr.; QOik cessor, 166, Calif.; Mcrcedis, 166, ti^rhatit, 168. Anna. 189, Bupina. 169, inops. 169, eudora, 169, capiaea, 170, Calif.; inaurata, 170, Calif., Wash. Terr.; lauta, 171, agrestist 171, campestris. 171, atrata. 171, Calif.; miscella. 171. Wash, "ferr.. Calif .: scitula. 172.jrana. 173..aYtUfl. 173. cautor. 176, ^dnmbrata^ 176. perplexa. 176. yigjlans, 170. Cu!uisj[&, 177, Calif.; impiger, 177, "Ariz.; dispar, 177, Fla.; plagosa, 378, Ariz.; nugalflE, 178, mira. 179, Calif.; WiUifllamL 181, Cal., N. M., Colo.; efiErena, l82, arizonensis, 182, otiosa 182, Ariz.] 44 Dat, Lorbn T. The species of Odontomyia found in the United States, Proc. Acad. Nat. Sc. Philadelphia, 1882, 74-88. [Description of known species; Odontomyia nigra, 76, Kans.; flava, 76, Wyo.; pilosus. 76, Calif.; pubescens. 77, Calif., N. Y.; ampricana^ 77, Calif.; bicolor. 78, Oalif; Willis- toni, 78, N. Y.; extremig. 80, Conn., Calif. 46 Notes on Sciomyzidse with descriptions of new species. Ca- nadian Entomologist, 1881, 86-89. [Notes; Tetanocer^i pubes^ens. 86, Wash. Terr.; montana, 87, Wyo.; hneata, 88, Conni; Dryomyza pallida, 89, Conn.] 7S Familibs and Obnbra or II 46 Ddobr, ALrRBDO. Adelopus Copei, Argas Sanchoxl, y Ornito- myia Vilkde. La Naturalcza, (2) I. lH-21, 1887. [Ornith- om^ia Villade, 19, paraHitiv on Buteo calurua and B. Bairdii, Mexico.] 47 Ftlbs, T '^ . Description of a dipterous paraaite of phylloxera vasti^irix. Canad. Kntom. XIV, 237-239, 1882. [IMplosit frassator.] Ibid. XV, 84. [Cecidomyia grassator, teste [agen.] 1/^ 48 Haobn , Hbrman A. New species of Simulium with a remark- able Nympha Case. Proe. Bost. Sue. Nat. Hist. XX. 306- 907, 1879. [Simulium pictipes.] 49 Karsch, F. Die Spaltung der Diptem Gattung Systropus Wiedemann. Zeitschr. Berl. Entomol. Oessellsch. 064-O&8. [Cephenus angulatus, 657, infuscatus, 667, Tex.; imbecillus, 668, Ga.] ' 60 Kbbk, E. L. List of Diptera taken in the vicinity of Philadel- phia, from 1882 to 1884, inclaaiTe. Canad. Entom., XVII, 61-66, 1886. ^ 61 List of Syrphidae taken in Fairmount Park, Philadelphia, Pa., during the summer. Canad. Entom. XVI, 146-147, 1884. 62 LoBW, Hbrmann. Table for determining the North American species of the Genus Pachyrhina. Verb. Zool.-Bot. Gesellsch. 1879, 613-616. [Introductory note by C. R. Osten Sacken.] 68 Neue nordamerikanische Ephydrinen. Zeitsch. f. d. Gesamm- ten Naturwissenachaften, LI, 192-203, 1878. Notiphila macrochaeta, 192, Texas; avia, 198, Hudson's Bay Terr.; ery throcera, 194, Cuba : Paralimna decipiens, 196, Texas : Psilopa aeneo-nigra, 196, pulchripes, 197, Texas; atri- mana, D. C, Texas : Athyroglossa glaphyropus, 197, Texas : Pelina truncatula, 198, Texas : Parydra pinguis, 199, D. C, Texas; unituberculata, 230, D. C.; imitans, 201, Mass.; limpidipennis, 201, D. C.; appendiculata, 202, Texas. VX64 Maktbh, Johk. New Tabanidae. Can. Entom. XV, 110-112 [Tabanus Allyni, 110, N. C; Therioplecticus tetricus, HI, Frenohii, 111, susurrus. 111, Mont.] "^ 66 Mik, Jobbf. Dipterologische Miscellen. Wien. Ent. Zeit. V, 276-279, 1886. [Lbpidostola, nom. nov. for Lepidomyia Loew, 278.] N 66 OsTBif Sackbn, Charles Robbrt v. Die Tanyderina, eine merkwuerdige Gruppe der Tipuliden. Verb. Zool.-Bot. Gesellsch. 1879, 617-622. [References to American species.] NoBTH Amkrican Diptbsa. 78 \ r>7 MiK, JoHKF. Ui'ber «IU> ArtrechU' von Trochobola caBsarca O. 8. und Cyrtopouoii Meyer- Duerii Mik. [Discuoseg the species of TrocholMHa.] ' >*)H HypocliarasHiiB gladiator, eine iieiie nolichopoden-Art aus Nordamerika. Verli. Zool. Bot. GeselUch. 1878, 617-032, pi. X. [Genus new, p. 617.] '>P Dipterologisehe Bemerkungen. Verh. Zool. Bot. Gesellsch. f XSaa, 182-192. [Drosophila uvarum Rond. the same as D. ainpelophila Loew : remarks on Sviara ocellaris Comst. ((). S.)] «M> OsTKN Sacken, C R. V PrioritsBt oder Continuitset ? Wien. Ent. Zeit. I, 191-193, 1882 [Refers to a number of pre- occupied genera occurring in N. A.] HI On Professor Braucr's papej': Versueh einer Characteristik der Gattungen der Notacandien, 1882. Berl. Ent. Zeitschr. XXVI, 1882, 363-380. [Numerous important notes on generic characters. See 117] \ 62 ( >n the genus Apiocera. Bert. Ent. Zeitschr. XXVII, 287- 294, 1883. [Discusses the characters, locating the genus with the Asiiinae : synopsis of the known species.] \ (H3 Syuonymica concerning exotic dipterology. No. II, Berl. Ent. Zeitschr. XXVII, 296-298, 1883. [Dialysis Bigot, Hermetia chrysopila, synonyms ; Alloohosta for the N. A. species of Metoponia, 297.] \ (U A singular North American fly. Berl. Ent. Zeitschr. XXVII, 299, 300, 1883. [Opsebius pterodontinus, Tex. This sp. also occurs in Canada.] \ 66 Facts concerning the importation or non-importation of Dip- tera in distant countries. Trans. Ent. Soc. Lond. 1884, 489- 496: ^Eristalis tenax, Sarcophaga carnaria, Fsilopus pal- lens, Syrphus pyrastri.] 66 Correction to my article on Apiocera. Berl. Ent. Zeitschr. XXX, 139, 1886. [The neuration of Philippi's type of A. bvevicornis is like that of other Apiocerse, notwithstanding ti\e figure.] ^ 67 Studies on Tipulidae. Part I. Review of the published genera of the Tipulidae longipalpi. Berl. Entom. Zeitschr. XXX, 153-188. [Valuable discussions and descriptions of the known genera, synopsis of Ctenophorse, etc.: Bracht- PREMNA, for Tip. dispellens Walk, et alia.] V 68 Studies on Tipulidae. Part II. Review of the published genera of the Tipulidae brevipalpi. Berl. Ent. Zeitschr. XXXI, 163-242. [A similar discussion on the Tip. brevi- palpi : notes on Rondani's and Bigot's classifications, with synonymy ; addenda and corrigenda to Part I.] ;=T 74 Families and (Iknkra or OsTKH Saokkn, C. R. v. 09 Biologia Ccntrali-Americana, Diptera. pp. 1-210, plates Mil, 1880, 1887. [A ino8t valuable work, containinK a review or lists of the described diiitera of Central America, with notes, synonvniB, analytical tables, etc. Numerous species are described, but not named : Teucolabis molesta, 0, gra- cilis, 7, Mex.: Patropesa (iraeusta, 8, Mex.: Kpiphragma circinata, Q, Costa Rica ; Eriocera mesoxantha, 10, zimata, 10, haemorrlioa, 11, Mex.; erythnea, II, Guatem,; gracilis, 12, pretiosa, 12, Mex.; lessepsi, 13, Panama: Tipula virgo, 14, Mex.: Pachyrrhina ordinaria, 10, Mex.; con sularis, 17, Costa R., Nicar., Venez.; usta, 17, Costa R.; Tanyprkmna opilio, 19, Guatem.: Oi.biooahticu (Rhyphi- dae) 20, cognatus, 21, Costa R.: Subula elongata, 22, Gua- tem.: Sargus concinnus, 23, Guatem.: Ptecticus flglinus, 21, Guatem.: Rhaphiocera pampinus, 25, Panama ; calop- tera, 20, Mex.: Hcrmetia crabro, 29, Guatem.; relicta :j(), formica, 32, pterocausta, 33, Panainii ; Cyphomyia andro- gyna, 34, Panama: Aochlbtus (Stratiomyidie), 38, cinc- tus, 38, Mex.: Euparyphus tricolor, 40, ? decemmaculatus, 40, Mex.: Acanthina argentea, 41, Costa R.: Pangonia py- rausta, 43, Panama; caustica, 44, Mex.: Chrysopsaiti vagus, 46, Mex.; tanycerus, 40, Costa R.: Diclisa misera, 47, Guatem.: Tabanus ebrius, 49, Costa R., Panama ; erebus, 50, Nicar., Panama; corone, 51, Guatem.; bifenestratus, 52, cribelluin, 52, Mex.; chionostigma, 54, Guatem.; venenatus, 54, Guatem., Panama: liliachicerus bellus, 02, Panama: Acantliomera championi, 07, Mex.: Leptomidas sponsor, 08, Guatem.; brach^rhynchus, 09, Mex.: -Midas decor, 71, Panama; chrysites, 72, cleptes, 72, Mex.: Hirmoneura psilotes, 74, Mex.: Exoprosopa rhea, 83, limbipennis, 84, Mex.; procne, 85, Guatem., rostrifera, 80, filia, 80, socia, 87, pardus, 88, Mex.: Hyperalonia dido, 91, Mex.; latreillei, 93, Mex.; Guatem., Panam i : Stohtx ( Exoprosopa) 94, ulelia, 95, Mex.: IsopKNTHBS (near Hemipenthes), 90, Jaannickeana, 97, Mex.: Argyramceba seriepunctata, 103, daphne, 104, Mex.: AsTROPHANES (near Anthrax) lO'l, adonis, 107, Mex.: Lbpidanthrax (Anthrax), 107,, ajumiuft, 111, Calif., Mex.: Anthrax arethusa, 110, Mex., Guatem., Costa R.; pngi'ilngi^Htfr 118, Calif. Mex.; selene, 122, Mex.; galathea, 123, Costa R.; ephebus, 124, cuniculus, 125, Mex.; consul, 125, Guatem.; rex, 127, Mex.; lepidota, 130, chimiera, 131, eumenes, 131, scylla, 132, Mex.; (Hyalanthrax) faustina, 130, (id.) sabina, 137, (id.) moneta, 138, (id.) livia, 139, (id.) agrippina, 139, Mex : Epacmc8, 142 : Aphosbantus Cyclops, 140, Mex.; ruttus, 147, Texas; f^fti^iirua. 148, Calif.; bisulcus, 148 Mex.; oaxituUUtUU, 149, Washington Territory, Kansas, Mexico; peodes, 149, Mexico: Pan- tarbes pusio, 153, Mex.; willistoni, 153, Ariz.: Paracos- mus morrisoni, 156, Mex.: Phthiria consors, 155, Mex.: Sys- tropus rogersi, 158, Costa R.; cerdo, 158, Panama ; lugu- bris, 159, ruflventris, 159, Mex.: Eclimus 1 auripilus, 101; NoHTH Ambkican Diptbra. n OSTKN SaCKKN, C. U. v. Mi^x.: Thereva bolbera, 164, Panama : Oticodea humeralis, 164, Mex.: Pialenidea metallica, 166, Guatem.: Lasia scribaB, 166, Guatem.: Stichopogon cntulus, 170, Mex.: Diogmiten memnon, 174, Costa K., Panama: tau, 176, Panama; Sara- pogon sen«x, 170, Mex.: Cophura (near Nieocies), IHl, sodalis, 181, Mex.: Atomosia mucida, 184, Mf^x.: Laphria numitor, 186, Nicar.; ichneumon, 186, Guatem.: Lampria aurifex, 187, Mex., Costa R.: Mallophora fautnx, 101, Mex.: Promachus forfex, 194, Costa R.; anvepa, 104, Panama; nobilis, 106, Costa R.: Erax triton, 200, rapax, 204, prolifl- cus, 2(Ki, Mex.: Proctacanthusexquisitus, 206, Mex.: Asilus chrysauges, 208, Guatem.: Neomoctherus piebeius, 200, Me.x.: Ommatius peregrinus, 210, Panama: Atractia mar- ginata, 212, Nicar.: Apiocera augur, 212, Mex.: Dolichoput myosota, 213, Mex.: Empis diaphorina, 216, benigna, 216, Mex.; pegasus, 216.] \ 70 RiLBY, C. V. Parasites of the Cotton Worm. Can. Entom. XI, 161, 162, 1870. [Tachina aletiae, 162. 1 Phorocera, 1 Exorista.] 71 Dipterous enemies of the Phylloxera vastatrix. Can. Ent. XV, 30. [Criticism of Dip. grassator Fyles; Leucopia phylloxerae (Agromyzidae), not described.] V t2 ^^73 United States Agric. Report for 1886. Meig. (pyrivora), Conn.J [Diploaia ? nigra Buffalo Gnats. U. S. Agric. Report for 1886, 402-616, pi. VII, 1887. [Simulium pecuarum, 612, meridionale, 618, Southern States.] "^ 74 Beschreibung einer den Birnen schsedlichen Gallmuecke ( ? Diplosis nigra Meig. ) Wien. Ent. Zeit. VI, 201-206, 1887. [Diplosis pyrivora — name provisional — ^203. adult, larva, pupa.] ^ 76 HiEVKB, V. V. Ueber die Zusammengehcerigkeit der beiden Arten der Gattung Sphecomyia Latreille. Entom. Nachr. 1870, 96-08. [Identity and synonymy.] \ 76 Dipteren von der Insel Portorico. Stett. Ent. Zeit. 1886, 337-340. [Megarrhina portoricensis, 337 ; Eriocera trifas- ciata, 338; Pelastoneurus fasciatus, 341, Ocyptamus faa- ciatus, 342: Tricopoda flava, 343. Ocyptera atra, 344, minor, 344; Exorista tessellata, 346; Frontina rufifrons, 346; Micropeza limbata, 347; Nerius cinereus, 348: notes on numerous other species.] I 77 Ueber die nordamerikanischen Lomatina von Mr. Coquillett in dem "Canadian Entomologist." Wien. Ent. Zeit. V, 263-266, 1886. [Notes and comments.] 76 Familim ani> Genkiia of 78 Rrl. Knt. Zcitschr. XXV, 21(>-2T((. [Et7RYrEPHAi.A myopa'fortniB (Ortalida-)* 212, Calif.: note on Heinyda (Ocyptera) aurata R. Dt'BV.] '- 80 Asyndulum montanum, n. spec. Wien. Knt. Zeit. VI, 116, 1887. (White Mt8.) \ 81 Ueber eine neuc Art der Oattung Gnoriste Mg. Wien. Knt. Zeit. VI, 165-166, 1887. [Gnorlgto nieutarrliina (>. S., White Mt8., Yosemite Valley.] 82 Au8 der Isis von Oken. Published by the Autlior. 1 p. 1888. [Excerpt, with synonymy of Hammerschmidtia ferruginia Fallen.] ^ 88 Whitney, C. P. Descriptions of some new species of Tabanida;. Canad. Kntom. XI, 86-38, 1879. Chrysops cuclux, 86, N. H.; nigribinibo, 36, N. H.; cursim, 36, N. H.; Tabanus su- perjumentarius, 37, N. H.: Dodgei, 37, Nebr.; sparus, US, N- H. For protest against the use of these names, see Burgess, same vol. p. 80.] \ 84 WiLLisTON, S. W. An anomalous Bombylid. Can. Entom. 1879, 216-216. (Anthrax Willistoni Coq.) 86 Some Interesting new Diptera. Trans. Conn. Acad. IV, 243- 246, 1880. RhYnchocenhalus SackeniL 243, Wash. Terr.: Silvius pollinosus, 244, Kans. : Chrysops discalis, 245, Wyo.] V^86 The North American Species of Conops. Trans. Conn. Acad" IV, 326-342. [Monograph of the genus : Conops obscuri- {»enai8, 328, Va., S. C., Ga., Mass.; sylvosus, 329, Mass., >>nn.; Xanthopareus, 332, Tex., Mass.; furcillatus, :336, White Mts.; Burgessi. 337, Colo., Calif.; texanus, 3iiS, Tex.; afflnis, 339, Kans., Cal., Wash. Terr.] ^ 87 New or little known genera of North American Syrphidae. Can. Kntom. 1882, 77-80. FBrachym via lupina. 77, iiigrip**" 78, Calif.: Hadromyia grandis, 78, Wash. Terr.: Brachvpal- v/88 fs pulcher. 79. Or.. Wash. Terr.: Kuoeniamyia rufa, ash. Terr. Superseded by No. 103.] North American Conopidae : Stylogaster, Dalmannia, Onco- myia. Trans. Conn. Acad. VI, 87-94. [Description of genera and species : Stylogaster neglecta, 87, Conn.: Dal- mannia picta, 90, N. M.: OncnniviR mnflt.«tft^ 06, Wash. Terr., Calif.; Baroni. 97, Calif., Colo.] I ■ 'i. NitKTii Amkhkan Diftkka. 77 '^mi V^2 H)3 V 94 m tX, m v/97 ly, 08 Wii,Lii»T«»N, S W. DiptiToiiB iHfvw from thi» Westt-rn Alkaline LakcH rihI their use a* HumHii FimmI. Trans, (^onn. Aead. VI, tiH-m, 188.S. [Habits of larvae; flg. uf puparium; (lescr. uf Kphydra ualifnrniea.] Contribution to a Monoijrraph of the North American Syrphi- tlw Vntc. Am. I'hil. Soe. XX, 29»-*{2, 1882. [Table <.f genera, notes, deser. of 23 new species; all superseded by No. im.] The North American species of Nemistrinidae. Can. Kntom. (itM2, 1888. [Table of species : Rhynchocephalus volaticus, 71, Fla.] On the North American Asilidae ( Dasypogonina), Lanhrinie), with a new genus of Syrphidte. Trans. Amer. Knt. 80c. XI, l-m, pis. 1, II, 188:^. [Table of genera; notes; Mvelaphus rufus. 7, (;alif.: Diftctria .nitida. 8, Sackejii. 8, Wash. Terr.: I'riclis tagax, 9, Calif.: ? IJabropogon bllin- eatus. 11, f^ftlif. Cyrt^pngon daHylloidoH, 1 1 , i>riynt»n^ 12, Wash. Terr.; (lubiua, 18, Or.; ? gibber, 14, Calif.: Nicocles abilominalis. 17, Calif.; rufus. T8. ? scitulusr 19, Wash. Terr.: Lkbtomyia fraiuligtra, 21, Calif.: 1 Taracticus brfc. vicornis. 22. Wash. Terr.: Dasyllis unicolor. 20, WashT Terr.: Hyperechia atrox, 28, Pa.: Laphria anthrax. 29, Calif.; fero?L 29, \uia2t, 80, Wash. Terr.; canis, 81, Conn.; xanthipBg, 81, Or.; pubesceng, 83, Wash. Terr., Or.: Nau- HiOASTBR punctulata, 34, N. M.] Ueber Mallota cimbiciformis Fallen. Berlin. Entom. Zeitschr. XXVII, 171, 172. [Synonymy, dimorphism.] Notes on Injurious Insects : Entomological Laboratory, Lan- sing, Mich. By Prof. J. A. Cook, 1^. [Scopolia sequax, p. 5, fig. Mich.] Eine merkwuerdige neue Syrphiden-Gattung. Wien. Ent. Zeit. Ill, 186, 186, 1884. [EirCEKATOMYiA Pergandei, 1886, D. C] On the classification of North American Diptera (first paper) , SyrphidsB. Bull. Brooklyn Ent. Soc. VII, 129-139, 1885. [Table of genera, superseded by No. 103.] On the classification of North American Diptera (second paper). Entom. Amer. I, 10-13. [Definition and generic tables of Tabanidse and Leptidae: notes: Apatplestes cpmasisg, 12, Calif.] On the classification of North American Diptera (Third pa- per.) Entom. Amer. I, 114, Sept., 1886. [Deflnition and generic tables of Xylophagidae and Stratiomyidse : notes: ScoLioPELTA luteipes, White Mts.] 78 Kamilibr ani> (iknioa or I ■ I • '; i V^Ol v' 102 4, Plate XLI, lH8r>. Completion of nionoKCHpli of fHmily, with tnlileH of Ki'niTH and 8|M><*ii'H : ConopH Kracilis, .H77, Ariz.; fninto, H78, Kans.; Zodion pie- tuliim, Hin, N. M.; loucoRtoina, '-Mi, KanH., Mont., Ariz.; iivtrmaBiim, 881, Calif., Colo.: Myopa nietiiH-nnia. 882, Ariz.. Calif.; ]»I5iuL.'W3, Calif.; pleU-ia, 384, Ariz.] 100 Nott>H and deHuriptiouH of North American XylonhuKido! and Stratiomyidie. Can. Kntom. 1885, 121-128. \}iotet*: Xy- j»t.ha^i^fl dfcoruii. 121, Wash. Terr.; itraeilii*. 122, Oregon, Wash. Terr.: SnhiiU p»renn^ 122, Wash. Terr.: Maurosar- jtU8 flavi», 123, Va./N. C: I'teetifiia Sackenii, 124, Fla.; similis, 124, Va., (la.: Hermetia Comstocki, 125, Ariz.. K^pftryphuH ornatufl, 126, Wash. Terr.: Clitellaria argen- tata, 127. Ariz.] On the North American Asilidie (Fart H). Trans. Amcr. Rnt. 8oc. XII, 53-70, 1885. [Notes on Dasypogoninw ; tahle of Laphria; gen. and sp. tables and descr. of Asilinse, excl. Asilus, sens, lat.: Aphamartania fur, 53, Ariz.; Lanhria XfUtcaiis, 55, Calif.; ruflcauda, 55, San Dom.: Andrenosoma chalyl)ea, 56, 8an I)om.; Malltmhora nigra, 58, Minn.: Guil- diana, 00, Kans., Mont., N. C.: Pnimachus princeDg. 62, Wash. Terr.; albifacies, 63, Ariz.: Krax tagax, o/), Ariz.; jubatus, 66, N. M.; latrunvulus, 67, Ariz., Mont.; furax (syn. cinerascens), 61, Wash. Terr., Calif., Kans., Ariz., Conn.; stamineus, 68, Mont.; jiuluiUr64, 68, Wash. Terr.; similis, 68, Ariz.; leucocomus, 60, Kans.; varipes, 71, Ariz., Kans.: Proctacanthus rufus, 72, N. C, Mass.] i In two interesting new genera of Leptidae. Entom. Amer. II. 105-108, 1886. [Notes on structural characters: Aonoto- MYiA (Stygia) elongata Say, 106, Conn.: Artiiroueras, 107, polliuosum, 108, Cal. Col.J Dipterological Notes and Descriptions. Trans. Amer. Ent., Soc. XIII, 287-307. [Notes and descr. Leptidae, Asilidw, Midasidae, Nemistrinidae, Therevidte, Cyrtidse, Dolichopidse, IMpunculidte, Muscidae, sens, lat.: SvniDhoroniyia pachyce- raSi.287, Calif.; plagfina. 287, Wash. Terr., Or." Ceraturgus nigripes, 287. GaTStenopogon aeacidinus, 280, Kans.: Ato- mosia (Atractia) Mikii, 290, San Dom.: Midas scitulus, 291, Ariz.: Ectyphus linibatus, 292, Ariz.: Hirnioneura fla- vipes, 292, Fla.: Thereva crassicornia (nom. preoc.) 293, Calif.: Acrocera liturata. 294, Wash Terr.: Pipunculus oniyia aet Wash. Terr.: De^eania hvgtrj''^'^ ^7, Wawh. Terr., N. M., unaciu, 2S57~"Wa8' liturata. h. Terr.: Hvaloniyi'^ "'MfiiY""*''''', 296, Ariz.: Hystricia soror, 298, Ariz.: Jurinia (Fabricia) hys- tricoides, 300, Conn., D. C, Va., Ga., N. M., Ariz.: Echino- myia (Peleteria) Thomson!, 302 (T;. flljp^lpia Thom.), Wash. Terr., Calif., N. M.; Gymnochaeta vivida, 302, rufl- NoHTM Amkhm'an Diitkiia. Tt WiLi-inTcm, 8. W. I'orniM, :MK2, IViiiih.: Ili'lvoisia v. t\. Wiilpi, HOii, Hhii Dnni.: HMunilcriia maculata, iMH, N. M.; Meolor .*m, N. M.. Arix., Calif., Wash. Terr.: Mklanopiihyh ffavfiM'iiniM, :HMI, Wyo., Calif.] w^KM ior> v^OH v^07 Hynnpsis of the North American Svrphidiv. Bull. V, S. Nut. MuH. No. 31. 18H0. pp. I-XX:^, and l-iWt, pU I-XII. [A ni«>no(;rHph of tlie genera anil HiiecieH nortli of Mexico, witli ilescriptionH or lists of those in Cenlnil America and West Indies. Supersedes all the author's previous papers on this family.] North American Tachinldae. Gonia. Can. Kntom. 1H87, 0. TNotes: table and description of species: Gonia senilis, kans.; porca, Or.; exul, C(mn., Mass., N. Y.; sequax^ Calif.] Table of the Families of Diptera. Trans. Kansas Acad, of Science, X, 122-128, 1888. Notes and Descriptions of North American Tabanidw. Trans^ Kans. Acad, of Science, X, 129-142, 1888. [Notes and descriptions of sixty-four species ; supplementary tables of species; Pangiinia fera. 130, Or.; dixix VV), Calif.: Chr^L- sops pcrtinax. 132, Wash. Terr.; Frazarl, I'iU), San. Doni.; sequax, 138, Kans.; pachycerft. IM, Calif.; Taban^iw npqimx. 137, Or.; cftmastea. 137', Wash. Terr., Or.; sodaiis, 139, Conn.; fur, 139, Fla.; icatfilUu* 140, Wash. Terr.; pygmasus, 141, Fla.; parvulus, 141, San Dom.; fenestra; 141, San Dom.] V 108 WooDwoRTH, C. W, Gonia senilis Wllllston. Psy*-''"*?. V, 42, 1888. [Note on variation ; Texas.] < lOJ) WiJLP, F. M. V. d. Quelques Dlpteres Exoti^ues. Comptes rendus de la Soc. Entom. de fielgique, 1884. [Hystricia cyanelventris, Guanaxuato.] \ 110 Amerikaanische Diptera. Tijdschr. voor Entom. XXIV, 141-168, pi XV, 1881. [Notes : Trichonta perspicua, 142 (Mycetophilldffi), Quebec: Tlpula retorta, 149, vitrea, 150, Quebec], XXV, 77-136, pis. IX, X, 1882. [Anthrax me- lasoma, 80, Ari.';.: l^octacanthus vlrginlanus, 109, Va.] XXXVI, 1-60, pis. I, II, 1883. [Jurlnla nltida, 18, Ariz.: Echinomyla lugubrls, 20, Quebec: Calobata albiceps, 50, Quebec.] V 111 Remarks on certain American Diptera from the T.ieyden Mu-. seum and descriptions of nine new species. Notes from the Leyden Museum, IV, 73-92, 1882. [Notes : Anthrax me- lasoma, 74, Ariz.: Jurinia nltida, 82, Ariz.] 112 Chn^sops geminata Wied. und Macq. Wlen. Entom. Zeit. Ill, 139-141, 1884. [Chrysops crassieornis, 141, Guan- axuato.] 113 Nalezing over Amerikaanische Diptera. Tijdschr. v. Entom. XXVII, 1-4, 1884. [Notes.] 80 Familika ANit Gkn-kra ok 1 i ! V 114 Bigot, J. F. M. Bull. 8oc Ent. Fr. 1887, CLXXII-CXX XIV. [Diagnoses of Calliphora xantliorina, Mex.; Soinom^ia rupi- cola, ruflgena, rectintTvis, iridicolor, Rocky Mts.: Pyrellia obscuripes, Mt>x.; Musea atrifrons, Cuba, Mex.; flavipen- nis, Rocky Mts.: Pollenia obscura, N. M.: Xitel li^ iflnhri- cala, Calif.: Curtoneura fulvipes, vittigera, anthomydea, Rocky Mts.; pallidicornis, callidiincra, Mex.; nigriceps, Mex. — see No. 31.] \ 116 Bull. Ent. Soc. Fr. 1888, XXIX, XXX. [New species of Dolichopodidffi : Psilopodius hirtuius, Hayti: Psilopodinus ftallescens, N. C; pampuecillus, Hayti ; carolinensis, Qaro- inaj occidentalis, Calif ; astequinus; Mex.; Spatichira pul- chrimana, Rocky Mts.: Poecilobothrus mexicanus, Mex.J \ 116 Dipt. nouv. ou peu connus. An. Soc. Ent. Fr. 1888, 77-101. rTacliinidse, Dexidte: Jurinia ? barbata, ganoides, Mex.: Hystricia fulvida, 70, N. A.: Ecliinomyia rubrifrons, 80, cora, 81, macrocera, 81, notata, 82, Mex.: Frontosia rufo- Btylata, 83, chrysupygata, 84, Mex.: Fabricia infumata, 85, Mex.: Blepliaropeza monticola, 01, Rocky Mts..; inermis, 01, N. A.; /uivipes. Wash. Terr.: Cryptopalpus flaviceps, 03, Rocky MtsJ — 117 BRAU':rt, Fkiedkich. Offenes Sclireiben als Antwortauf Herrn Baron Osten Sacken's "Critical Review" meiner Arbeit ueber die Notacanthen. Vienna : published by the author, 1888. pp. 1-11. 118 Systematische Studien auf Grundlage der Dipteren Larven nebst ei:ier Zusammenstellung von Beispielen aus der Lit- eratur ueber derselben und Beschreibung neuer Fornien. Denkschr. d. k. Akad. d. Wissensch. X LVII, 1-100, 4 pi. 1883. WHO CoMSTOCK, J. H. Report upon Cotton Insects, 1879. (Phora aletiae,209-211.) The same, abridged, U. 8. Agric. Rep. for 1870. (Tachina fraterna, 303.) ^120 Haoen, H. a. On Simulium. Canad. Enfom. XIII, fto, 151, 1881. [Notes on various sp. of Simulum.] V 121 List of North American Sarcophagidae, examined by R. H. Meade, Esq., Bradford, England. Canad. Entom. XIII, 146-150, 1881. [Important notes on the Loew and O. S. collections, by both Meade and Hagen, with synoptic ar- rangement. ] \/l22 List of North American Anthomyidae, examined by R. H. Meade, Esq., Bradford, England. Canad. Bntom. XIII, 43-51, 1881. [Valuable notes on the Loew and O. S. col- lections.] \ 123 KiRBT, W. Insects of the Northern parts of British America* compiled by Rev. C. J. S. Bethune. Canad. Entom. XIII, 1881, Diptera, pp. 164-160. [A useful reproduction of Kirby's Fauna Boreali- Americana.] North Ambrican Diptbra. 81 \/i23 124 n/125 \/l20 LiNTNER, J. A. On Cecidomyia legumenicola n. sp. Canad. Entom. XI, 121-124, 1879. [Substitution of the sp. name for trifolii Lintner, Can. Ent. XI, 44.] Lynch Arrihalzaoa, Enriqitk. Catalogo de log Dipteros hasta aiiora descritos que se encuentran en Ihb Kepublicas del Rio de la Plata. Bol. Acad. 1U>-152, 188». [Distribu- tion and synonymy of certain N. A. species.] RiLBY.C. V. U. S. Agric. Rep. for 1884, p. 322. [Oscinis brassicse.] WiLLisTON, S. W. Fourteentli Rep. of the State Entomologist of Illinois. S. A. Forbes. [Bxorista infesta, 66; by an error the first segment of the abdomen is called the second, etc. ] Writers on systematic dipterology of the present time, whose works should be consulted : Mbade, Verrall, England; Braubr, Mik, Austria: Beroroth. GiRHCHNER, Handlirsch, Karsch, Osten Sacken, Boeder, Gvi n- any; Kowarz, Hungary; Dkibuzicki, Schnabl, Poland; vak iJKR WtJLP, Holland; Portschinsky, Russia; Bigot, Gobert, France; CoQuiLLBTT, W1LLI8TON, North America ; Enrique and Felix Lynch Arriralzaga, South America. . Writers on economic entomology, whose works contain important references to American diptera : CoM8To<:!K, New York ; Cook, Michigan ; Forbes, Illinois ; Lint- ner, New York: Rii.ey, U. S. Agricultural Department. Addenda and Corrigenda. ExoPTATA Coquillett, Can. Entom. XIX, 13, 1887.— Bombylidae. " Third nntennai joint furnished with a distinct terminal style ; second vein issues from the third opposite or nearly opposite the small cross- vein ; anterior branch of the third vein connected by a cross- vein with the second, forming three submarginal cells ; first posterior cell divided into two cells by a cross- vein placed some dis- tance before tip of discal cell : anterior branch of third veiii and veins 2, 8, and 4 terminate in margin of wing>?; no pulvilli." Differs from Exoprosopa in having two first posterior cells. ENOPI.BMPI8 Bigot, Bull. Soc. Ent. Fr. 1880, 62.— Enipidse. "Generis Empidis proximum, maxime differt: Femoribus posticis robustis, subtus, apice, profunde mucronatis et unidentatis, tibiis intus, basi similiter mucronatis ot unidentatis, dcntibus villosulis, 1 i '' as Familibh anii Gbnbra <>!•' crassis. E. mira. — ^Testaceo fulvo; antcnnarum apice, haustello, femoribuB posticis auperne, thoracis HneiH quinque, lateralibus in- terruptis, fuscanis: alis flavidis. Calif." Mboacttarus, Bigot, 1. c. — Empidse. "Quanquam abest ab antcnnis. Generis Ocydromyiie vicinum, differt : Ce'lulis basalibus abbreviatis, et, discoidali longis- siina, lata, subtrigona, vena transversali, fortissime ^inuosa et alarum marginis posticis proxima, clausa. M. argenteu s. — 5inm. Cinereus, vittis quatour thoracis, haustello, pedibus totis, abdominis extremo apice, alarum macula stigmaticali minuta, nigris; abdo- mine argenteo, alls hyalinis. Colorado." HYFOCHARA88U8 Mik, Verb. Zool. Bot. Gesellsch. 1878, 627.— Doli- chopodidse. " $ Hypostoma latum, sub oculos descendens absque taenia trans- versali elata, in parte inferiore convexum. Palpi exserti latiusculi, obtusi, probosciui crassae, obesae incumbentes. Antennae elongatae: articulo primo superne setoso, secundo transverso, tertio lanceolato, subtus exoisit : seta apicali crassa, styliformi, biarticulata, articulo f>rimo brevi; secundo longiore ante apicem subincrassato. Frons atissima, hypostomate brevior. Oculi velutini. Thoracis dorsum setulis dense obsitum, setis dorsalibus interioribus nullis, ante scu- tellum non inipressum. Scutellum seti quatuor marginalibus vali dioribus. Abdomen segmentis sex, subdepressum, postice obtusum; ante incisuras setis nullis. Hypopygium inclusum, dppendicibus lamellatis, prominulis. Pedes vaiidi : femoribus posticis setis prae- apicalibus nullis, metatarsis posticis setis nullis, elongatis ; pulvillis anticis reliquis paullulum majoribus. Coxae posticae seta porrecta nulla. Alarum costa usque ad apicem nervi longitudinalis quarti ducta ; nervus longitudinalis tertius et quartus arcuati, apicem ver- sus convergentes ; nervus longitudinalis sextus abbreviatus; nervus transversalis porterior segmento ultimo nervi longitudinalis quinti longior." Page 6, line 10, read 'zweifluegelige'; line 13, read 'europaeischen. ' " 37, line 23, read 'Rhabdopsglaph^s'. " 38, line 2H, read 'Toxophora'; line 28, read'RHABDOPSBLA- PHIIS'. " 72, line 9 from bottom, read 'Therioplectes'. " 73, line 2, insert: Verb. Zool. Bot. Gesellsch. 1878, 617-626 " 76. line 6 from bottom, read '104'; the same correction in Nos. 90 and 96. mawwuiftini I n^'mnii North Amkrican Diptbha. INDEX OF FAMILIES. AcRocBSii>.«: 39 AOROMYZIDA, 64 APKKTERiniB, 32 AaiMDA, . . . . • 28 Astride, ... 64 bomb\i.ida, 34 BORRORIDAi, . 64 CoNOPU)*, 63 CORDTLURIDwK, 60 Diorsii)^, 62 DoLiciiopoDiDii':, ,43 Drobophilid.k, 63 Ehpid.«: 41 Ephydrid.!:, 63 GsOMYZIDiB, 63 Hklomyzii>«, 60 Heteronkitrid.ic, 62 HippOBOscii)^, 66 LEPTin.K, 22 LOKCH.CID^K, . .61 I^>NCHopTBRin^:, 40 MlOROPEZIOJB 60 Mii)\sii>.K .33 MirRoiD.f: i*. ... 67 Nkmistrinid.«, 32 Ntctbririd.v 66 i ! 1 : ! i mmm i I 84 NOBTH AMRRtOAH DiPTBRA. (Ehtridx, 56 OpoMYziniic, 62 (>RTALII>i«, 61 OsciNin*, 63 Phorid^k, 64 Phycoi>romida, • . .62 PHYTOMYZIDiK, 64 PlOPHILIPiK, 6.3 PlPITNCrUDiK, • ^ Pl.ATYPEZII»*, . - 66 PHii.ii>ii!:, 60 SAPROMYzin^:, . .61 SCKNOPINIIt^:, ,10 SciOMYziDit:, 60 Srpsii).s 62 Stratiomyii)^:, . ... . . .. 17 Syrphid^ 47 TABANIIlit:, 21 Therevii»«, , . .38 TRYPKTII>iK, 61 J'TLOPHAGin*, . 16 56 , 62 61 63 64 . 62 64 m 54 56 60 61 39 60 62 17 47 . 21 m 61 16