SIRs SpAty tab Ap UABO MASE if ssa nso4psee ihe oY a saps rane ty ‘i ra venti tie nie tare a hoe ji nie 30 AbD fs Ate yrss eo lie ‘G a ae # ites) Ks pale) ee ee or i Se a5 si Thatta ena dpa es mee ets feat belgusne artis noe ts i at it tpl sks : ives fob " sit-ins te Halbod eee ins sti ee q bist ; mast Ai eas phi naaoaanar dats guvetaboreplitesd cepiy Bene, i os ” eee anot 5 baer eats on Pepe dy me -eprd See cee pean bh A tarde tie pe ethernet ALBERT R. MANN LIBRARY AT CORNELL UNIVERSITY Cornell University Library OL 536.H85 V. The mo: uitoes of Nor’ Te 3 1924 002 846 016 mm 0 Cornell University Library The original of this book is in the Cornell University Library. There are no known copyright restrictions in the United States on the use of the text. http://www.archive.org/details/cu31924002846016 THE MOSQUITOES OF NORTH AND CENTRAL AMERICA AND THE WEST INDIES BY LELAND O. HOWARD, HARRISON G. DYAR, AND FREDERICK KNAB VOLUME ONE . A GENERAL CONSIDERATION OF MOSQUITOES, THEIR HABITS, AND THEIR RELATIONS TO THE HUMAN SPECIES WASHINGTON, D.C. PUBLISHED BY THE CARNEGIE INSTITUTION OF WASHINGTON 1912 A.eny coats CARNEGIE INSTITUTION OF WASHINGTON Pusrtication No. 159, Vou. ONE Gower of thig bak wore first issued JA 21 1918 THe Lord Baltimore Press BALTIMORE, MD., U. 8 a. TABLE OF CONTENTS. TNCTODUCEION® ¢5siyies cs tuciels v sediaie a Senin dale VR aaa Gatun o 4 ABR on ab eed aR eoE sas Early accounts of mosquitoes............ 0.0. ccc ccc ceccceuseecceuceuueens 8 Mosquitoes a8 PeBt9... fas cs o3 eevee Gaede ca ere saacneuunsameeensvaudas 8 Early accounts of the biology and structure of mosquitoes............... 20 Structure of the adult mosquito............. ccc cece cece cece ceeceeeeneeuees 25 PMG TOA. 5a otise oak crate cher MePocs mtn ti Xan Scmed anach Gucalalala atenes ee 4 cies ae ymca ecu ae 25 PNG CY OG se cS octane yiabdeen da mii ook Mina artin oa tok akua ee Arete GweEo tes 25 The: antenne! eee sceerrrcaeret yenieraaendsdoaacanwiaecs eae saueacs 26 EHV: CLV DOU) hase cecaishariacesas avaunceich scans aiais sale renera- BG oie gees des Bia ger ake eS 36 DDE PrODOSCIS ise ssiesc ceria aides ws Wickes sack Guan Wes Hee was WS BAG RAS BA 37 FENG: Dall s:. oven avisam oa wag cae ee Nie acu da a Fates So SOLES kee ee 50 PNG: AMORA RS rast. Gate esas uve $4 Missy 4 CMR Ae 24 ME oe AERC oca ade oon Glens salon oa 55 The :prothorax: 2.0 xsd t-censcaiecwe daneviasw aveisoa 0:0 ohided. ie « Wea aiiw. tases sar RWndenee 55 DHE MESOEN OAR: i. varaiev eis Gudea ein s Bialena GAs noun Gis deawere leg Blea Ie ahaa’ 4 57 The Metathorax .. vreiece oaaancsieasioe'y 05 sae at4 Rede ba whe 64 eG awe oa aw EE 59 ENG WINES: 307s opis Sas Oe ws dag ease Wine’h <6 Big dM POA ARES ek RE ene 60 MOG MOBS oc aiccane g's atu oka tann a Gia esal x's. AIRS ew kone, See vamtaisoh EA cde Pan pa BS SHS 62 MN ADGOMEN. 55 sss 5 sivas 8 58 sacs: gie Saves a asacereie ew drew visww Shain 40.4: ¥eenwtsecd Widued ss 67 The abdomen of the female............. cece cece cere c cece evenenss 67 The abdomen of the male............c cece ce ecec cee eeeceecceceeees 69 PVG: SCAICS isch. isva Sages eansisse o< dedi sry Guat 8 ances si aA Sask RARE RPE TR Gl 71 The internal anatomy of mosquitoes........... 00 cc cece cece cece ee nen tenance 15 GLOSS AMALOMNY: 5 siisitis-s ssieraicn se acavenacavaievequsl Oca wpnbaie P sxaule Vand eae adeaton wedeataees 75 The alimentary canal......... 0... cece ccc e cece eee e ee neeeeeeeee 75 The TeprTOductiVe SYSTEM voc oe cen oa seus es ace cen eea ves cee ve cuaNRA 79 Ne fat DOY sass gir yawns vee eos O42 ¥ Goa £4 KE RR OEE iad sve Monee 79 The tracheal system ss sss scwe cd cee 24 sew a dba 6 soe wae wea cece o eeecne ® 80 FRISCO ORY <> se easii tee tise: 8 eoaaia id avsdar ode d.loneyh ch sib upaub dik. belies testa ask Gomeauetetad raters 80 The alimentary canal and appendages...............cceeceeceecees 80 The reproductive SySteM........... cc ccc cee nee tee cee ceeeerseccces 83 The larva, sae sis sess soe es eh sae ine tte 62s ae eG ApS BANE Hy Selec Dee e « 84 Head and mouthparts.............. cece cece ccc u se ese cence ree teneenes 84 ARNG: OY ES. cores bess. 6s oie cd a Heras eWee aera ee SHER ENN. yeh FRE EES 87 FENG CH OTAX. -y.cigee-g ai pide ele hye