1924 



ENTOMOLOGICAL SOCIETY 



65 



Spiracles. The spiracles are large, elevated and quite prominent in both 

 sexes ; those of segment 8 being atrophied. They are tureen-shaped with the outer 

 edges smooth and rounded, the interior being lined with fine bristles. 



-*° rA ,A ,A 



A (A I A 







Explanation of Plate 



Fig. 1: Dorsal view of female pupal case, 

 es — epicranial suture. 

 v — vertex, 

 p — prothorax. 

 ms — mesothorax. 

 mt — metathorax. 

 wl — Mesothoracic wing. 

 \v2 — metathoracic wing. 

 al-alO — abdominal segments, 1-10. 

 fp — flanged plate. 



Fig. 2: Ventral view of same: 

 f — front, 

 a — antennae, 

 e — eyes, 

 cl — clypeus. 



lpm — lateral projections of maxillae, 

 md — mandibles. 

 mx — maxillae, 

 lb — labrum. 

 11 — prothoracic leg. 

 12 — mesothoracic leg. 



13 — metathoracic leg. 



cxl — coxa prothoracic leg. 



cx2 — coxa 'mesothoracic leg. 



cx3 — coxa metathoracic leg. 



fp — flanged plate. 



pis — proleg scar. 



go — genital openings. 



ao — anal opening. 



Fig. 3: Part dorsal view of male pupal case: 

 a7 — abdominal segment. 

 a8 — abdominal segment. 



Fig. 4: Ventral view of same: 

 go — genital opening, 

 ao — anal opening, 

 ag — abdominal segment. 



Fig. 5: Arrangement of setae on abdominal 

 segments: 



Fig. 6: Type of dorsal spines in cossid genera. 

 P — Pnonoxystus. 

 A — Acossus. 

 Z — Zeuzera. 



3 E.S. 



