BULLETIN OF THE ILLINOIS STATE LABORATORY OF NATURAL HISTORY URBANA, ILLINOIS, U.S. A. STEPHEN A. FORBES, Pu.D., L.l.D., DIRECTOR Wit in SEPTEMBER, 1915 ARTICLE II. AN ECOLOGICAL STUDY OF PRAIRIE AND FOREST INVERTEBRATES BY MORALES (Gy ADAMS. Bick). a oh ne ; Eyaty +a ; v a ome . i‘ a OL vey sh anon CHA) om J nial Var ic i) uN coh OIS N ILLIN ND PRAIRIE AREA I (AFTER BRENDEL AND BARROWS ) NAL FOREST A ORIGI BULLE in OF THE ILLINOIS STATE LABORATORY OF NATURAL HISTORY URBANA, ILLINOIS, U. S. A. STEPHEN A. FORBES, Pu.D., L.L.D., DIRECTOR Wor. Xf. SEPTEMBER, 1915 ARTICLE II. AN ECOLOGICAL, STUDY OF PRAIRIE AND FOREST INVERTEBRATES BY CHARLES C. ApAms, PH.D. SMITHSON 44) JUL 26 1988 ; td hAKICS ee vee, an Mt ay =- 9 _ vf 4 ' CONTENTS PAGE HT ETO CU CHO BY Waysus om ies Notcoteyarclie ctacch ots) clay ee oy evens te, SI eal a ae lore eteyere ani ereetetors chon Tere 33 General description of the region and location of the ecological stations..... 35 Ey .General descriptionpoi, the TeglOMs tae -)-ia cries aust s os ete eee eres 35 i he xecolo gical stations ccc Vetch tei lees see eke cine cet cmnersrreiors 38 Descriptionyor the! praine habitats and animals)... oss: cee eee 40-56 eer elarcalnortheoia Charleston mstaulonm lee eeiseiieiinein erie: 40 1. Colony of swamp grasses (Spartina and Elymus), Station I,a.. 41 2. Colony of wild rye, Elifmus virginicus submuticus, Station I, c.. 43 3. Wet area of swamp milkweed (Asclepias incarnata), Station I, d 44 4, Cone-flower and rosin-weed colony, Station I,e............... 48 5. Colony of blue stem (Andropogon) and drop-seed (Sporobulus), bordered by swamp milkweed, Station I,g.................-. 49 6. Supplementary collections from Station I...:.......2.-..-.--- 52 iii ee rarievarcamnearduoxa, Glinois. Staton Wile cer) ceaae cin eer 52 hie brarstevarecaseast ois © har] estos tavlOme lures reer sire yeinrerereraien Sys) Descriptionso® thewtorest habitats and animals. -..75 4. steer ee aces 56-66 il, “MMe, BSH AyOOR, SuEnAKoy IY A clown ceaccen ee ooo noouodcaacKt 56 2a) hesupland oak-hickory forest. Station’ Ve dance erie eee aT 3, Embarras valley and ravine slopes, forested by the oak-hickory ESOC ROM, Supimom: IW. Osoosacacnusnosocoousbopooeedouooe 59 4. Lowland or ‘‘second bottom,’’ red oak-elm-sugar maple wood- lenaGl GEE@CreMON, Siemon, INV Co ccocccgou0 coon boHacooacnoDES 62 5. Supplementary collections from the Bates woods, Station IV.... 65 6. Small temporary stream in the south ravine, Station IV,d...... 65 Generali characteristics of the gross environment)...|. +c 5-1¢see eee «eee 66-102 1. Topography and Sollsoi the (Siater aa. See eens 66 Zee Chima Cacon ditions tess snooseoooogedvoaucaboduDDEdSGE ial 8. A milkweed ‘community ORO. A.o caciG HORT ODEO ORS Aor oO cucu Oe 112 III. Relation of prairie animals to their environment..................-. 1i3 ee hesblackesoilepraiciencommiunitnyseetie mri cece cer 114 Ze Lhempralilemver craclon ecCOnmMUnThyeeye se eileen eee eae ily 4. Interrelations within the prairie association................... 119 PAGE IV. The forest associations..... FEO Oe AE OOO SUD 10 OO ODA OO HOS 122 Ie Aum IORON sogceookgdooeoadagonasbendngooO DO DC D0edCOdDDdC 122 2. Dry upland (Quercus and Carya) forest association............ 124 3. Artificial glade community in lowland forest.................. 125 4. Humid lowland (hard maple and red oak) forest association.... 126 5. Animal association of a temporary stream.................... 127 V. Relation of the deciduous forest invertebrates to their environment. 128 Ie I Monesinsenl GommriiMn7s ogo gan pen aD odadp aod be doooboomado Gus 129 2s MMIG) Ties IUENeTE) COMM a oo Gg oaanoDscagdbo oo SoKaNDeCcDNL 135 3) heltoress undercrowihe community | -l-laiereilcters avers teierer= 138 4) hey FOLeSuCLO WIMCOMMMUNM Ly gertetlelcielelelelciei-tenelotteteyelsiekoretel-leietetokers 139 Sy Ure iaeernaial< . Conmiminmintano pe gAaeouoeodDsoodDHoboGobonOEn 142 6s) Lheldecayin s swoodmcommiumitiyn sy -ytely skorts ie ieieialetetet eit dolore 148 7. Interrelations within the forest association................... 157 Ecologically annotated list :— [ee Rrairie pnVverveuracesm errr riers cle sroie cy 72. oiel rel siete ekeevaroiorieieteret= 158-201 Ie Horest) MnverLebrauesrew rere lets tayen teri elele rs