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American Midland Naturalist Monograph No. 3 



spine; apical lobe (A-L) large, broadly rounded, bearing numerous short weak 

 setae on inner margin. Dististyle (Ds) about three-fifths as long as basistyle, 

 slightly broader medially; terminal claw (Ds-C) slender, nearly one-fourth as 

 long as dististyle. 



larva. (Fig. 110). — Head broader than long. Antenna about half as long 

 as head, moderately spined; antennal tuft multiple, inserted before middle of 

 shaft, not reaching tip. Head hairs: Preantennal (A) multiple, extending 

 beyond base of antennal tuft; lower (B) usually double, sometimes single or 

 triple; upper (C) usually 3 to 4-branched; postclypeal (d) small, branched; 

 sutural (e) double; trans-sutural (f) small, single; supraorbital long, single. 

 Lateral abdominal hairs double on segments I to V. Comb of eighth segment 

 of about 20 thorn-shaped scales in a patch; individual scale with a long apical 

 spine and short lateral spinules. Siphon two and one-half to three times as long 

 as wide; pecten of numerous, evenly spaced teeth, reaching to middle of siphon 

 or nearly so; subventral tuft 4 to 6-branched, rather small, inserted beyond 

 pecten. Anal segment longer than wide, with the dorsal plate reaching almost 

 to the mid-ventral line; lateral hair single; dorsal brush consisting of a long 

 lower caudal hair and a shorter multiple upper caudal tuft on either side; 

 ventral brush well-developed, with a few shorter tufts preceding the barred 

 area; gills 4, longer than the anal segment, pointed. 



Fig. 109. Aedes slicticus (Meigen). A, Male terminalia. B, Scutum and sculellum. 



