393 

 Wirth and Stone: Diptera 



Fig. 14:15. Chaoborus asticfopus Dyar and Shannon, a, male; b, female; c, larva; d, eggs; 

 e, ev ersible pharyngeal sac of larva; f-h, pupa (Herms, 1937). 



- Wings distinctly spotted 2 



2. Large species, the wing 5 mm. long; costa dark scaled 



with 3 paler areas; Humboldt to San Luis Obispo 

 counties nyblaei Zetterstedt 1838 



- Smaller species, the wing 3 mm. or less; costa mostly 

 pale scaled with a few small, dark spots 3 



}. Femora and tibiae with many distinct dark spots; sides 



of scutum anteriorly with dark spots; Imperial County 



punctipennis (Say) 1823 



- Femora and tibiae not darkened except near joints; 



Subfamily CULICINAE 4 



Key to the California Species of Anopheles 



Females 



1. Wing scales unicolorous but clumped to produce dark 

 spots 2 



(fig. 14:156) sides of scutum anteriorly without dark — Wing with patches of pale scales 3 



spots; Siskiyou to Ventura counties " 



astictopus Dyar and Shannon 1924 T^ Ke y s that follow are taken with s"^ 1 modifications from 



Freeborn and Bohart, 1951. 



