chbysopilus. 135 



except for a paleness at the sides of some of the segments of the 

 latter. The face, antenna?, and palpi are all black, and the legs are 

 as in the female specimens. The body may possibly have been 

 accidentally discoloured and the specimen may be the <$ of 

 opalescens, as no other species known to me possesses the pecu- 

 liarity of the opalescent wing-spots. 



95. Chrysopilus humeralis, Brim. 



Chrysopilus humeralis, Brunetti, Rec. Ind. Mus. vii, p. 466 (1912). 



S . Head with eyes practically contiguous for the greater part 

 of their length above the antennae, leaving a narrowly elongate 

 frons of the shape of an isosceles triangle, which is bluish grey; 

 ocellar protuberance blackish, occiput dark grey; face narrowly 

 triangular, bluish grey ; antennae brownish yellow ; proboscis and 

 palpi similar, the latter rather darker, both with yellow hairs. 

 Thorax shining blackish, with pale yellow hairs ; shoulders livid 

 yellow ; pleurae dark bluish grey varying to blackish ; scutellum 

 and metanotum blackish. Abdomen blackish, with pale pubes- 

 cence : the major part of the basal half yellowish, leaving 

 generally a narrow anterior and posterior blackish margin of 

 varying width to each segment; about the apical half of the 

 abdomen all black ; venter similar to upper side. Legs with coxae 

 and femora yellowish, apical half (more or less) of fore and hind 

 femora blackish or quite black ; remainder of legs dark brown. 

 Wings grey, no stigma ; a very slight brownish darkening about 

 the fork of the 3rd longitudinal vein, continued in diminished 

 intensity along a further or lesser part of the marginal cell ; 

 halteres yellowish, with blackish-brown knobs. 

 Length, 6 mm. 



Described from three o* c? in the Indian Museum from 

 Chumbi, Darjiling District, 4000 ft., vii. 1911 {Gravely), 



96. Chrysopilus segmentates, Bran. 



Chrysopilus segmentatus, Brunetti, Rec. Ind. Mus. ii, p. 430, pi. xii, 

 figs. 11,12(1909). 



S . Bead with vertex jet-black, prominent ; ocelli small, equi- 

 distant, whitish ; eyes very large, occupying practically the whole 

 of the head, lower facets much smaller than upper ones ; Avbole of 

 face grey-dusted ; antennae tawny ; proboscis large, shining brown, 

 lower part grey-dusted ; palpi dark brown, with some hair ; 

 occiput grey-dusted, studded with black hairs. Thorax dark 

 blackish brown, with two narrow longitudinal yellowish-grey 

 stripes on dorsum, dividing the surface into three equal parts 

 and a silvery-grey reflection on the sides behind the wings (seen 

 from behind); humeral calli light yellowish brown. Abdomen 

 shining black, the segments well separated, with a telescopic 

 appearance ; posterior border of first segment shining steel-blue- 

 grey ; second wholly black ; rest of segments, seen in certain 



