The Mosquitoes of New Jersey 



Fig. 82. Larva of Psorophora columbiae. (After John B. Smith). 



I, larva; 2, its antenna; 3, maxilla; 4, mandible; 5, the mouth brush; 6, 

 mentum ; 7, anal segments and siphon ; 8, siphonal spines showing varia- 

 tion ; 9, a single scale from 8th abdominal segment (all enlarged). 



