Plate 26 



^:^yffj$0:Wl^,i^ 



^& 



'j'(//y'\. 



;/•'•'•;■/;■■:• 



"M 



B 







Pf 





w 



r 



f 



4 



1 Culex cinereoborealis. 2 C. pipiens. 3 Taeniorhyn- 

 chus per turbans. 4 Aedes fuscus 



