CULEX CONSERVATOR 309 



Description of Female, Male, and Labva of Culex conseevatob: 



Female. Proboscis long, slender, swollen apically, labellae conically tapered ; 

 vestiture black with a bronzy and blue reflection; setae minute, curved, black, 

 those on the labellae more prominently outstanding. Palpi short, less than one- 

 fifth as long as proboscis, slender, uniform, black, with a few outstanding setae 

 at base. Antennae rather long, the joints subequal, rugose, pilose, blackish, 

 second joint longer than third and slightly stouter; tori subspherical, with a 

 cup-shaped apical excavation, luteous, brown on inner side, hairs of whorls 

 sparse, moderate, black. Clypeus rounded triangular, prominent, browTi, nude. 

 Eyes black. Occiput brown, clothed ^vith narrow, curved pale-brown scales, 

 with many erect, forked brown ones intermixed, flat white scales below on the 

 sides, margin of eyes white-scaled ; a row of bristles along margins of eyes. 



Prothoracic lobes pale, with brown bristles. Mesonotum brown, with two 

 narrow, bare lines on anterior half; vestiture of narrow, curved bronzy-brown 

 scales, with paler ones on anterior margin and sides of disk ; bristles long, coarse, 

 black. Scutellum trilobate, with similar vestiture to the mesonotum, each lobe 

 with a group of long, coarse, black bristles. Postnotum elliptical, prominent, 

 brown, nude. Pleuras and coxae pale greenish with a few white scales and rows 

 of pale bristles. 



Abdomen subeylindrical, truncate at tip; dorsal vestiture uniformly bronzy 

 black, a row of pale bristles at tips of segments ; venter yellowish-white scaled, 

 with submetallic luster. 



Wings moderate, hyaline ; petiole of second marginal cell about one-third as 

 long as its cell, that of second posterior cell about equal to its cell ; basal cross- 

 vein more than its own length from anterior cross-vein; scales of veins brown 

 with a blue reflection on costa, broadly linear, denser on forks of second vein 

 and apical half of third. Halteres whitish, with black knobs. 



Legs slender, rather long; vestiture blue black with a bronzy reflection, 

 femora pale beneath. Claw formula, 0.0-0.0-0.0. 

 Length : Body about 3 mm. ; wing 3 mm. 



Male. Proboscis long, swollen at tip, bent at middle, scales roughened at 

 bend. Palpi one-sixth as long as proboscis, small, very slender, black, without 

 hairs. Antennae rather long, the last two joints long and slender, rugose, pilose, 

 blackish, the others short, but longer than usual, whitish with black rings at in- 

 sertions of hair-whorls; hairs long, dense, appearing less plumose than usual, 

 black. Coloration as in the female. Wings slightly narrower than in the female, 

 the stems of the fork-cells about the same, vestiture also similar. Abdomen 

 subeylindrical, somewhat swollen towards tip, bristles at ends of segments 

 coarse, but rather sparse; end of abdomen bristly; no lateral ciliation. Claw 

 formula, 1.0-1.0-0.0. 



Length : Body about 3.5 mm. ; wing 2.5 mm. 



Genitalia (plate 11, fig. 75) : Side-pieces over twice as long as wide, tips coni- 

 cally tapered, a large inner prominence widely divided into two portions, outer 

 subapical, inner median, the outer bearing three rods with hooked tips and a 

 leaf-like appendage, the inner bearing two subcapitate rods. Clasp-filaments 

 moderate, somewhat enlarged at base, with a row of membranous serrations on 

 one margin on outer twct^thirds, a stout articulated terminal claw, a large densely 

 setose area below middle of side-piece. Har|3es long, columnar, slightly widened 

 at tip and bearing four teeth, apparently unbranched. Harpagones with inner 

 arm long spatulate, rounded, outer arm apparently aborted. 



Larva, Stage IV (plate 110, fig. 378). Head rounded, widest through eyes, 

 bulging on sides, a notch at insertion of antennae, front margin arcuate, with a 

 shallow excavation between clypeal spines. Antennae large, well spined, a notch 



