114 lepxiu.t:. 



Sides of thorax all black, -with oblique 



wliitisli stripe ; middle femora with 



Ijasal half black and apical half yellow, [p. IIG. 



with a broad mediau white band intevmedia, Brun., 



T). 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.. . cinda, Brun., p. 118. 

 Apical half of wing with such a pale band ; 



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



G mm carulcscens, Brun., 



74. Atrichops calopa, Brun. (PI. II, fig. 7.) 



Athen'.v calopa, Brunetti, Bee. lud. Mus. ii, p. 420, pi. xii, fig. 2 

 (1909). 



6 ? . Head with vertex black ; frons blackisli, with bltiish grey 

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

 {iiitennte brownish yellow, with a trace of bluish grey dust on 

 u])per side of t^vo basal joints ; occiput blackish grey, with a thick 

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

 ])art ; lower facets of eye barely smaller than upper ones. Thorax 

 dark brownish black, moderately shining ; humeri shining brown ; 

 sides of thorax brown, dusted with light bluish gre}' ; scutellum 

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

 segments mainly 3'ellow, 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, the posterior 

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

 yellowish ; the whole abdomen with moderatel}^ long hairs of 

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

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

 black hairs. Legs with very short black hairs ; coxre 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 broun ; 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 ; teguljB blackish with j-ellow edges. 



Length, 8-10 mm. 



Described from three S S in. fairly good condition, in the 

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

 the others from Tenasserim. 



