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American Midland Naturalist Monograph No. 3 



and one long more slender rod, each pointed and usually slightly hooked 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. (Fig. 137). — Head broader than long. Antenna shorter than head, 

 stout, constricted beyond antennal tuft, with portion before constriction spinose, 

 portion beyond constriction sparsely spined; antennal tuft large, multiple, 

 barbed, inserted at outer third of shaft, reaching beyond tip. Head hairs: Pre- 

 antennal (A) multiple, barbed, reaching to insertion of antennal tuft; lower 

 (B) and upper (C) usually five or more-branched, extending beyond precly- 

 peus; postclypeal (d) single; sutural (e) usually double; trans-sutural (f) 

 usually triple; supraorbital single or double. Body glabrous. Upper lateral 

 abdominal hairs multiple on segments I and II, double on III to VI. Comb 

 of eighth segment of many scales in a patch; individual scale rounded apical- 

 ly and fringed with subequal spinules. Siphon about four times as long as 



-Ds-C 



XS-BA 



IXT-L 



Fig. 136. Male terminalia of Culex quinquefasciatus Say. 



