395 

 Wirth and Stone: Diptera 



lower 

 head hair head hoir d 



- ontennal hair 

 head hair f 



. pentad hairs I 

 (multiple) and II 

 (single) 



■pecten 



dorsal preapical 

 spine 

 siphon tuft 



pentad hair III 

 saddle (dorsal plate 

 of anal segment) 



Fig. 14:17. Culicinae, terminal segments of larvae, a, Uranotaenia anhydor Dyar; b, Culiseta 

 inornata (Will.); c, Psorophora confinnis (L.A.); d, Mansonia perturbans (Walk.); e, Orthopodomyia 

 ca/ifornica Bohart; f, Aedes dorsalis (Mg.); dorsal view of larva (o, Yamaguti and LaCasse, 

 1951; b-f, Freeborn and Bohart, 1951). 



2. Fringe scales of wing uniformly dark; Del Norte County 

 to San Diego County freeborni Aitken 1939 



— Fringe scales at wing tip whitish to bronzy; coastal 



from Humboldt to Orange counties 



occidentalis Dyar and Knab 1906 



3. Palpus banded; Siskiyou County to San Diego County 

 .... pseudopunctipennis franciscanus McCracken 1904 



— Palpus entirely dark scaled; Central Valley and north 

 coast punctipennis (Say) 1823 



Mai 



e gen i 



tali 



1. Claspette with inconspicuous bristles on subapical 

 lobe and 2 long slender ones on apical lobe; 9th tergite 



without well-developed lobes 



pseudopunctipennis franciscanus McCracken 



— Claspette with 2 stout setae on subapical lobe and 1 on 

 apical lobe which is usually associated with a smaller 

 internal seta and a very small one between; 9th tergite 



with fingerlike lobes punctipennis (Say) 



freeborni Aitken 

 occidentalis Dyar and Knab 



Larvae 



1. Inner clypeal hairs widely spaced, outer clypeals bare; 

 inner antennal surface with small stout spicules . . . 



pseudopunctipennis franciscanus McCracken 



— Inner clypeal hairs separated by less than width of 

 basal tubercle; outer clypeals densely branched; inner 

 antennal surface with rather slender bristles 2 



2. Antepalmate hair (hair 2) of 4th abdominal segment 

 usually single occidentalis Dyar and Knab 



— Antepalmate hair (hair 2) of 4th abdominal segment 



usually double or triple freeborni Aitken 



punctipennis (Say) 



Genus Uranotaenia Lynch Arribalzaga 

 Uranotaenia anhydor Dyar 1907. San Diego County 



Genus Orthopodomyia Theobald 

 Orthopodomyia calif ornica Bohart 1950. Lake to Riverside 



Genus Psorophora Robineau-Desvoidy 



Psorophora confinnis (Lynch Arribalzaga 1891.) Imperial, 



Riverside County 



Genus Mansonia Blanchard 

 Mansonia perturbans (Walker 1856.) Yolo to Riverside 



Keys to the California Species of Aedes 

 Fema les 

 1. Tarsi with pale bands on some segments 2 



