Carpenter et al.: Mosquitoes of Southern U. S. 



231 



scaled patch near margin of eye. Thorax: Integument of scutum brown; vesti- 

 ture consisting of narrow golden-brown scales, with those of prescutellar space, 

 postero-lateral and anterior margins paler; a pair of indefinite submedian spots 

 or streaks of pale scales occasionally present anteriorly on scutum. Scales 

 of posterior pronotum similar to those of scutum. Lower mesepimeral bristles 

 absent. Abdomen: First tergite predominantly dark scaled, with a few white 

 scales near base. Tergites I to VI dark scaled, each with a conspicuous white 

 band basally and basal white patches laterally (basal bands usually not joining 

 the lateral patches; mid-posterior margin of each band indented) ; white scales 

 present on apical margins of the last three segments; seventh tergite mostly 

 dark dorsally except for the apical white scaling. Venter whitish scaled, with 

 each sternite marked medially with dark scales, often in a V-shaped patch with 

 the base of the V directed anteriorly. Legs: Legs dark scaled, with inner sur- 

 faces of femora, tibiae, and often segment 1 of tarsi pale scaled; knee joints 

 pale. Each segment of hind tarsus with a narrow basal white ring; fore- and 

 mid-tarsi similarly marked but with the basal rings of segments 4 and 5 much 

 reduced or lacking. WiT2g: Scales narrow, dark. 



ADULT male. — Coloration similar to that of female. Terminalia (Fig. 

 127B). Lobes of ninth tergite (IXT-L) indistinct, widely separated, only 



127. Aedes Vexans (Meigen). A, Hind tarsus. B, Male 

 terminalia. C, Abdomen of female. 



