86 



Annals Entomological Society of America [Vol. XI, 



two rounded lobes, the notch recurving dorsally to its tennination at 

 the posterior margin of the ninth tergite. In the female, the eighth seg- 

 ment encloses the ovipositor of the adult, tapering to a blunt, divided 

 extremity; the dorsal valve deeply notched, completely obsctu-ing and 

 overlapping the smaller, ventral valve of which the notch is less than 

 half that of the upper. 



//.//. 



Fig. 14. 

 Fig. 15. 



Fig. 16. 

 Fig. 17. 



C ft 5yk/. 



/6 



If ^. ^ 



Pupa (9). X 8. 



Hypopygium (adult), ventral aspect; 8st., eighth sternite; 9st., ninth 



sternite; 9t., ninth tergite; 9 pi., ninth pleurite; /., pleural lobe; pL, 



pleural blade; pi. app., pleural appendage; p. g., penis guard. Camera 



lucida drawing. X 20. 

 Hypopygium, lateral aspect, inverted; 8 t., eighth tergite; other lettering 



as in Fig. 2. Camera lucida drawing. X 20. 

 Ninth tergite. Outline ofd orsal aspect. X 32. 



Last larval skin invariably persistent, attached to the pupa which is 

 only partially withdrav^oi ; head, thorax and first four abdominal seg- 

 ments exposed, the remainder enclosed in the exuvium; moulted, larval 

 head-capsule ventral to the fifth abdominal segment of pupa; pos- 

 teriorly, the exuvium collapsed and wrinkled, its terminal segment 

 adhering to the support by the anal pseudopodia. 



