324 MOSQUITOES OF XORTH AMERICA 



ing. Palpi short, one-fifth as long as proboscis, slender, black with a few out- 

 standing setae. Antennae with the joints subequal, rugose, pilose, black, second 

 joint slightly thickened, pale at base ; tori subspherical with a cup-shaped apical 

 excavation, dark brown, black within ; hairs of whorls sparse, moderate, black, 

 Clypeus rounded in front, constricted at base, black, nude. Eyes black. Occiput 

 black, clothed with broad, flat black scales with bronzy luster, a small area of 

 narrow curved one along median line ; a patch of dull whitish scales well down 

 sides ; many erect, forked black scales with a bronzy luster on vertex ; a row of 

 bristles along margins of eyes. 



Prothoracic lobes elliptical, remote dorsally, black, vestiture of black bristles. 

 Mesonotum blackish brown; vestiture of dense, large, narrow, curved dark- 

 brown scales and rows of coarse black bristles. Scutellum trilobate, blackish, 

 clothed with scales similar to those on mesonotum, each lobe with a tuft of 

 black bristles. Postnotum elliptical, prominent, blackish, nude. Pleurge dark 

 brown with patches of flat whitish scales and rows of black bristles. 



Abdomen subcylindrical, depressed, truncate at tip ; dorsal vestiture black, a 

 row of small lateral triangular basal segmental white spots: venter black 

 scaled, with distinct but narrow white, basal segmental bands; tips of seg- 

 ments with golden-brown bristles. 



Wings moderate, hyaline ; petiole of second marginal cell one-fourth as long 

 as its cell, that of second posterior cell shorter than its cell; basal cross-vein 

 nearly twice its own length distant from anterior cross-vein; scales brownish 

 black, outstanding ones dense on outer part of wing, narrowly ovate and denser 

 on forks of second and fourth veins and outer half of third, others narrowly 

 ligulate. 



Legs moderate; vestiture black, femora pale beneath; knees dark. Claw 

 formula, 0.0-0.0-0.0. 



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



Male. Proboscis straight, long and slender, gradually and slightly enlarged 

 towards apex, black scaled. Palpi slender, exceeding the proboscis by much 

 more than the length of the last joint; apex of long joint and last two joints 

 somewhat thickened and clothed with numerous long black hairs; vestiture 

 black. Antennae rather sparsely plumose; last two joints long and slender, 

 rugose, pilose, black, the others short, pale brown, with thick black rings at in- 

 sertions of hair- whorls; hairs of whorls long, dense, dark brown. Coloration 

 similar to the female. Abdomen long, somewhat expanded towards apex, 

 lateral spots visible dorsally on sixth and seventh segments, ciliation of coarse, 

 black hairs, not arranged in distinct lateral series; tip of abdomen densely 

 bristly. Claw formula, 1.1-1.1-0.0. 



Length : Body about 3.5 mm. ; wing 3 mm. 



Genitalia (plate 13, fig. 81) : Side-pieces over twice as long as wide, tips coni- 

 cally rounded; inner process divided, the two portions separated at base, but 

 approximate; outer portion slender, furcate, longer outer branch bearing a 

 leaf-like appendage, inner two filaments with curved tips ; inner portion stout, 

 minutely pilose, bearing a filament with expanded tip at its apex, and another 

 from a short branch on inner side about middle. Clasp-filament short, stout, 

 attenuated in middle, with a stout, short terminal claw and two stout retrose 

 spines below tip. Harpes divided, inner branch long and slender, bent at its 

 tip and bearing a row of pecten teeth; inner branch short and curved. Har- 

 pagones lamellate, divided into two or more plates, their corners forming pro- 

 jecting angles. Basal appendages large, flat, oblique, with numerous fine hairs. 



Life history and habits unknown. 



Cuba. 



San Antonio de los Banos (J, H. Pazos). 



