( 



HOW TO KNOW THE IMMATURE INSECTS 



16b. Apical abdominal segment ending in 2 long subcorneal pro- 

 cesses 17 



17a. Apical processes armed with short hairs at apices and on middle 

 of outer margin Family CULICIDAE 



17b. Apical processes unarmed. Fig. 567 Family DIXIDAE 



The pupae closely resemble the pupae 

 of Culicidae both in habit and in appear 

 ance. 



.■^ 



Fig. 567. Dixo sp. 



18a. Apices of legs not extending beyond apices of wings 19 



18b. Apices of legs extending beyond apices of wings 20 



19a. Apical segment of abdomen ending in 2 conical processes. 



Fig. 568 Family CERATOPOGONIDAE 



The information of pupae of this family is very 

 limited. 



Fig. 568. Pal- 

 pomyio sp. 



19b. Apical segment of abdomen ending in 2 upper and 2 lower short 

 thorns FamUy PSYCHODIDAE 



205 



