140 



Figs 139-142 Larva of Lara avara: 139- dorsal aspect; 



140- ventral aspect. Larva of Phanocerus olavioormis: 



141- dorsal aspect; 142- ventral aspect. 



13 (11) Last abdominal segment very long and slender (at least 



4 times as long as wide) ; operculum confined to poster- 

 ior third of segment (Figs 143, 144): Duhiraphia 

 Last abdominal segment not conspicuously long or 



slender (less than 4 times as long as wide); operculum 



not confined to apical third 14 



14 (13) Head tuberculate, with suberect spines; anterior margin 



of head without a prominent frontal tooth on each side; 

 body subcylindrical, yellowish; often more than 8 mm long 

 (Figs 145, 146): Narpus 



Head without suberect spines, anterior margin with a 



prominent frontal tooth on each side (Fig. 13) 15 



15 (14) Body cylindrical; pleural sutures extend to basal half 



of ninth abdominal segment; procoxal cavities closed 

 behind (Fig. 147); larger, often longer than 6.5 mm 

 (Fig. 148): Cylloepus 



Body hemicylindrical; pleural sutures not extending 



onto ninth abdominal segment; procoxal cavities open 

 behind; smaller, less than 6.5 mm (Figs 149, ISO) iRhizelmis 



16 (10) Prothorax with a posterior sternum (Fig. 13) , so 



procoxal cavities are closed behind 17 



Prothorax without posterior sternum; procoxal cavities 



open behind 25 



58 



