Tech. Series 22, Bureau of Entomology, U. S. Oept of Agriculture. 



Plate IV. 



I 



Structure of Dipterous Larv^. 



Fig. 64— SarcophaRid D: Tip of body, side view. Fig. Co.-Sarcophapid D.- Ilead, above. Fig. 6f..- 

 Sarconhagid D: Head, side view. Fig. fJl.—Chrysomyia maccllaria: Head, side view. * g. OS.— C/ry- 

 somyia macfUaria: Tip of body, side view. Fig. («.- Chrysomyia watcUana: Anterior spiracle. * 'K; ' "•— 

 Sarcophagid C: Head, above. Fig. Tl.-Oin/.somyia marf//ai /«.■ Lnd of body. Fig. ' ^•-.Sa'^^0P'\«S'd^. 

 Stiginal plates. Fig. 7:i.-Sarcophagid A: Two segments, venter Fig. .-4 -Sarcophagui ^,- Two seg- 

 ments, dorsum. Fig. Tr,.-Sarcovhaga inarta: Segir.ent. venter. Fig. '''--Sareophagid £ J ip of bod> 

 sideview. Fig.77.-.Saroophagi<ir.-Tipofbody,sideview. Fig.7S.-SarcophagHl4.- A^^^^^ 

 Fig. 79.-Sar?ophagid B: Anterior spiracle. Fig. 80.— Sarcophagid B: Head, above. Enlarged. 

 (Original.) 



