ANOPHELES 8TRIGIMACULA 999 



tical, prominent, dark brown, nude. Pleurae and coxae pale grayish pruiaose 

 with large blackish spots, fine hairs, and small patches of white scales. 



Abdomen subcylindrical, depressed, truncate at tip, brownish-black, dorsally 

 clothed rather evenly with scattered fine pale hairs, a series of conspicuous 

 tufts of black spatulate outstanding scales at posterior angles of segments; 

 venter with scattered broad white scales and outstanding black ones at apices 

 of segments. 



Wings (plate 41, fig. 11) moderate, hyaline, with three brown pigment-spots 

 along costa ; petiole of second marginal cell shorter than its cell, that of second 

 posterior cell slightly longer than its cell ; basal cross-vein distant about its own 

 length from anterior cross-vein ; outstanding scales of veins narrowly ovate, pale 

 yellow, with black scales in spots as follows : three large costal spots, the mem- 

 brane beneath infuscated, the first smallest, involving subcostal and first veins, 

 the others very large, involving also the second vein, the outer one both branches 

 of its fork ; no concrete apical spot ; costa and first vein with black spots and 

 dashes between each of the large spots; second vein mostly dark scaled, each 

 fork with two little yellow spots ; third vein with five black spots, the first at base, 

 the last at tip; fourth vein black scaled with small yellow spots, three small 

 yellow spots on upper branch and one long one on middle of lower branch ; fifth 

 vein with some black scales near base, five spots on upper fork, two on lower; 

 sixth vein with six irregular spots of black scales, the last at the tip. Halteres 

 pale at base, covered with small white scales, disk of knob black and bare. 



Legs long and slender, black speckled with yellowish-white ; hind femora 

 with about ten spots or rings ; hind tibia with about fourteen ; hind tarsi with 

 about ten yellow spots on the first joint which is entirely yellow beneath, second 

 joint yellow at base and tip and spotted beyond middle, third and fourth joints 

 yeUow at bases and tips and with a ring beyond middle, fifth all yellow ; front 

 tarsi with narrow yellow rings at bases and apices of joints, the last entirely 

 pale; mid tarsi not distinctly ringed. Claw formula, 0.0-0.0-0.0. 



Length : Body about 4.5 mm. ; wing 4 mm. 



Male. — Proboscis straight, uniform, black-scaled. Palpi about as long as the 

 proboscis, the last two joints swollen, forming a distinct club, and with long, 

 dense yellowish hairs; vestiture black, last two joints golden yellow scaled above, 

 a black ring at articulation, a broad yellow ring at middle of long joint. An- 

 tennae plumose ; last two joints long and slender, rugose, pilose, black, the others 

 rather short, subequal, slender, pale, with dark rings at insertions of hair- 

 whorls; hairs of whorls long, dense, brown with yellow luster. Coloration as 

 in the female. Abdomen more elongate and slender than in the female, de- 

 pressed, some flat, light yellowish scales dorsally on the last two segments; 

 claspers with outstanding black scales. Wings narrower than in the female, the 

 stems of the fork-cells longer, the vestiture more sparse. Claw formula, 

 3-0.0-0.0. 



Length : Body about 4.5 mm. ; wing 4 mm. 



Genitalia (plate 39, fig. 260) : Side-pieces hardly twice as long as wide, the 

 tips conically rounded ; a stout seta on the inner margin and two separated ones 

 at the bases. Basal appendages leaf-like. Unci with long spatulate terminal 

 appendages. Clasp-filament long, rather stout, slightly attenuated mesially, 

 with a minute terminal claw. 



Larva, Stage IV. — Head rounded, elongate, longer than wide, bulging at 

 the sides, front conicaUy produced; both pairs of dorsal head-hairs single but 

 numerously branched, in a line between the antennae, a smaller hair at base of 

 antenna ; two long approximate spines on front margin. Antennae subcylindri- 

 cal, slightly enlarged near base, very weakly spined; a dendritic tuft near basal 

 third; two long spines at tip, a slender tuft and a short digit. Eyes large, 

 pointed. Mental plate small, with a central tooth and five on each side, the first 

 two roimded and approximate, the third and fourth remote, the fifth small. 

 Mandible quadrangular, rounded ; four feathered filaments near base and two 



