336 



GUIDE TO CALIFORNIA INSECTS. 



SERICOSTOIVlATID>E. 

 Helicopsyche californicum Banks. nigricula McL. 



Lopodostoma cinereum BaBnks. Silo californicus Hag. 



Nosopus podiger McL. cinereus — Lepidostoma. 



Notidobia griseola McL. 



CALAMOCERATID>e. 



Heteroplectron californicum McL. 



LIMNEPHILID/E. 

 Limnephilus gravidus Hag. - occidental. s- 



Platyphylax designatus Walk. 



-designatus. 



Figure 356. Venation of the larger Phryganeidse. 



PANORPINA. 



PANORPID/C. 



This family includes the scorpion flies, so called because the abdomen in 

 some cases mimic the sting of a scorpion. The larvae live in the ground and 

 both larvae and adults are carnivorous. 



Bittacus apterus McL. Boreus californicus Pack, 



chlorostigma Mel. 



HEMEROBINA. 



CHRYSO.^ID>E. 



The lace wing flies feed on aphids. The eggs which are laid on long stalks 

 are conspicuous objects on the leaves of aphid infested trees. 

 Eremochrysa californica Banks. gravida Banks. 



punctinervis McL. marginalis Banks. 



Chryscpa californica Coq. punctinervis — Eremochrysa. 



externa Hag. Nothochrysa californica Banks. 



