114 LEPTIDjE. 



Sides of thorax all black, with oblique 



whitish stripe; middle femora with 



basal half black and apical half yellow, [p. 110. 



Avith a broad mediau white band intermedia, Brun., 



. Hind metatarsus not thickened ; apical 



half of wing infuscated 6. 



Hind metatarsus distinctly thickened; 



wing pale, with approximately three [p. 117. 



darker bands .metatarsalis, Bruu., 



6. Apical half of wing without narrow pale 



band in the infuscated portion ; 4th pos- 

 terior cell nearly closed ; length, 10 mm. . . ctncta, Brun., p. 118. 

 Apical half of wing with such a pale band ; 



4th posterior cell widely open ; length, [p. 119. 



6 mm ccerukscens, Brun., 



74. Atrichops calopa, Brun. (PL II, tig. 7.) 



Atherix calopa. Brunetti, Rec. Ind. Mus. ii, p. 420, pi. xii, fig. 2 

 (1909). 



3 $ . Head with vertex black ; frons blackish, with bluish grey 

 shimmer; proboscis and palpi blackish, the latter hairy below; 

 antennae brownish yellow, with a trace of bluish grev dust on 

 upper side of two basal joints ; occiput blackish grey, with a thick 

 fringe of long whitish-grey hair, which is absent on the upper 

 part ; lower facets of eye barely smaller than upper ones. Thorax 

 dark brownish black, moderately shining ; humeri sbining brown ; 

 sides of thorax brown, dusted with light bluish grey ; scutellum 

 dark brown, with erect brown hairs. Abdomen with first four 

 segments mainly yellow, but dark brown on the upper side of 1st. 

 at the base, and a narrow dark brown dorsal line, with a narrow 

 line at each side of the abdomen, these three lines extending over 

 the four segments ; posterior border of 4th segment dark brown, 

 the colour extending forward in the centre, till it joins the dorsal 

 stripe ; remainder of abdomen dark shining brown, tbe posterior 

 border of each segment bearing a little bluish grey dust ; venter 

 yellowish ; the whole abdomen with moderately long hairs of 

 similar colours to that of the respective parts on which they are 

 placed ; genitalia moderately large, dark brown, shining, with 

 black hairs. Legs with very short black hairs ; coxae dark brownish, 

 with bluish grey shimmer ; femora yellow, basal third in fore 

 pair, basal half in middle pair, and basal two-thirds in hind pair 

 black ; tibiae yellow, knees brown ; basal half of tarsi yellow, 

 apical half black. Wings very pale grey, apical half a little 

 darker ; discal cell three times as long as broad ; no distinct 

 stigma ; a brownish irregular streak from the centre of the fore 

 border, reaching to about halfway across the wing; halteres 

 yellow, knobs black ; tegulae blackish with yellow edges. 



Length, 8-10 mm. 



Described from three <3 3 in fairly good condition, in the 

 Indian Museum collection. The type is from Sadiya, Assam, and 

 the others from Tenasserim. 



