Tech. Series 22. Bureau of Entomology. U. S. Dept. of Agriculture. 



Plate II 



I 



Structure of Dipterous Larv/e. 



Vif:.. ^9.— Chrusomtjia(f): Tipof body, side view. Fig. 40.— Muscid AV Anterior spiracle. Fig. 41.— Muscid 

 B: Tip of body, side view. Fig. 42.— Museid B: Stigmal plates. Fig. 43.— Muscid B: End of body. 

 Fig. 44.— Triloxafida: Stigmal plate. Fig. 4.').— Tritoia flria: Anterior .spiracle. Fig. 4(1.— Triloiaflcia: 

 Tipofbodv.sideview. Fig. 47.— CArysow(yio(?).- Stigmal plate. F'k. iS.—Luciliasi/liarum: Head.sidi' 

 view. ¥ik-'i'J.—Luciliasylvarum: Tipof bod v, side view. FiK-50.—Lufiliasi/lrarum: Anterior spiracle. 

 Fig. 51.— iwciVia.sy/varum.- Stigmal plates. Fie.52.— r/iry.vomj/:rt(/).- Anterior spiracle. Fig.53. — £'ur(.s/f( 

 thomx: Stigmal plate. Fig. M.—Lucilia sericata: End of bod v. Fie. 5r>.~Lucilia serkatn: Head, top 

 view. Fig. 5iy.—ProtocalNphorachrijxorrlicra: Tipof bodv, side view. Fig. oT.—Pmlocalliphorachri/snrihnn: 

 Head, side view. Fig. 5S.—Protocalliphoraclin/sorrhn'a: Stigmal ])lates. Fig. r,<).- Euitsta thom.f: Tip 

 of body, above. Fi^! m.—Lttciliasericaln: Head, side view. Fig. in.—Lucilia scricata: Tipof body, side 

 view. Fig. 0?.— Calliphora erijthroccphala: Head , side view. Fig. 03.— Calliphora erythroccphala: Stigmal 

 plates. Enlarged. (Original.) 



