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American Midland Naturalist Monograph No. 3 



at tip; two stout setae with tips somewhat recurved; a stout rod, about two- 

 thirds as long as the first three rods, often with tip minutely hooked; a large 

 broad leaf-like filament; and a stout straight seta. Dististyle (Ds) about half 

 as long as basistyle, curved, gradually tapered beyond middle, bluntly pointed 

 at tip; claw (Ds-C) short, blunt. 



LARVA. — The larva appears to be identical with that of Culex quinquefas- 

 ciatus (Fig. 137). 



distribution. — United States from the Atlantic to the Pacific, except 

 in the extreme South; Canada; northern Europe and Asia; southern portion of 

 South America and East and South Africa. Southern States: Alabama and 

 Georgia (97); Kentucky (140); Mississippi (186); Missouri (1); North 

 Carolina, South Carolina and Tennessee (97); Virginia (49). Other States: 

 California (66); Connecticut (52); Delaware (106); District of Columbia 

 (52); Illinois (42); Indiana (76); Iowa (155, 156); Kansas (79); Maine 

 (90); Maryland (19); Massachusetts (90); Michigan (88); Minnesota 

 (131); Nebraska (178); New Hampshire (90); New Jersey (77); New York 

 (162); Ohio (52); Oregon (44); Pennsylvania (8); Rhode Island (99); 

 Utah (142); Washington (52) ; Wisconsin (48). 



bionomics. — Culex pipiens is a domesticated species which commonly in- 



Fig. 135. Male terminalia of Culex pipiens Linnaeus. 



