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The Ohio Jounmt of Science [Vol. XyiTlj No; 6\ 



The posterior third of the body is flexed downward and 

 forwards, the anal extremity pointing cephalad. Two lobed 

 processes projecting dorsally from the cephalic region are the 



I 



( 

 I 



Figure 2. ' ' ' • 



8, egg of Gonatopus sp.; 9, egg of Gonatopus erythrodes (Perk.); 10, first instar of 

 Gonatopus erythrodes (Perk.); 11, second instar of Aphelopus sp.; 12, third instar 

 of Gonatopus contortidiis Patton; 13, side view of mouth parts of fourth instar of 

 Anteon sp.; 14, dorsal view of fourth instar of Aphelopus sp.; 15, fifth instar of 

 Gonatopus contortulus dissected from sac; 16, dorsal view of mature larva of Gona- 

 topus sp.; 17, dor.sal view of head of Gonatopus sp., mature larva; 18, ventral view 

 of head of Aphelopus sp., mature larva; 19, ventral view of male Ha pi agonal opus 

 americanus pupa; 20, side view of same; 21, cavity in body wall oi Erythronenrd 

 comes produced by Aphelopus sp.; 22, dorsal view of head of Aphelopus sp., fourtl-^ 

 instar showing relation to larval sac, and chitinous ring. 1st, 2nd., and 3rd. Ex., 

 first, second and third exuviae; Vp., ventral larval process; md. int., mid intestine; 

 sg., supra-esophagial ganglion; hi., head lobe; phe., pharynx-esophagus; . vg., 

 ventral nerve chain; p., proctodeum; h., head; spin., spinneret; ch., chitinous 

 head process; e., eye; Ibr., labrum; md., mandible; mxp., maxillary palp; lab., 

 labium; a., antenna; Ibp., labial palp; sp., spiracle; ment., mentum; sm., subr 

 mentum; ph., pharynx; mdr., developing mandibles. 



