180 A Monograph of Culicidae. 



each side, exterior to these, extending cephalad from 

 the scutellum about one-third of the length of the 

 mesonotum, dividing its width almost exactly into 

 quarters. 



(iii) Femora of hind legs are white at the base, with a white 

 line reaching almost to the knee ; on fore and mid 

 legs this line is not so distinct, nor is it so long ; the 

 first tarsal of the hind legs has a basal white band, 

 and those of the fore and mid legs a basal white spot. 



(iv) The first sub-marginal cell varies in length, but is as 

 long as, usually longer, and sometimes more than 

 twice as long as the stem. 



Habitat — Samar, Leyte and Mindoro in the Philippine 

 Islands ; Camp McKinlay, Hawaii (Miss Ludlow). 



It appears to be generally common in the Philippine Islands. 



Stegomyia W-alba. Theobald (1905). 



Ann. Mus. Natio. Hung. III., p. 74 (1905). 



Thorax rich brown, with a white, W-shaped area in front, a 

 prolongation of this on each side bends round before the wing, 

 enclosing an isolated brown patch on each side ; scutellum white. 

 Head white, with a black patch on each side. Abdomen black, 

 with narrow basal white bands and large white lateral spots. 

 Legs with tarsal segments with basal white bands, except the 

 last two tarsals ; mid femora with a prominent white median 

 spot ; hind femora with basal two-thirds creamy, apex silvery. 



9 . Head clothed with flat silvery white scales in the 

 middle, a large black patch on each side, with a small white spot 

 near the ocellus on each, and white scales again at the sides, and 

 to some extent a narrow white border around the eyes, a tuft of 

 white scales projecting between them, a few dusky upright 

 forked scales on the nape, and black bristles projecting over the 

 eyes. Palpi black, apical half snowy white ; proboscis rather 

 short, deep brown ; antennae brown, basal segment with white 

 scales. 



Thorax dark brown, ornamented with rich chestnut-brown 

 and silvery white rather large narrow-curved scales, the white 

 ones forming a solid W-shaped area in front, and a white line 

 curving round in front of the wing to the pleurae on each side, 

 enclosing an oval chestnut-brown area, and a few scattered white 



