DIPTERA FROM NEPAL 27 



anterior width three-fourths as broad as length down middle, posteriorly slightly less than one- 

 third as broad as head width. Carina flat, grey. Buccal margin somewhat convex. Cheek 

 narrow, yellowish white, about one-twentieth as broad as the greatest diameter of eye. Occiput 

 dark brown, paler above. Proclinate orbital slightly shorter than others ; anterior reclinate 

 just outside proclinate. Inner vertical much shorter than outer vertical. Postvertical minute. 

 One prominent oral. 



Mesonotum orange-yellow, anterolaterally and caudomedially yellowish brown ; neck region 

 brownish black above. Scutellum dark brown, laterally with a black patch at the insertion of 

 anterior scutellar. Thoracic pleura white, without dark patches. Only one humeral. Pre- 

 scutellar slightly longer than anterior dorsocentral. Acrostichal hairs in about nine irregular 

 rows. Anterior dorsocentrals about half length of posteriors ; distance between anterior and 

 posterior dorsocentrals slightly longer than one-third distance between anterior pair. 

 Anterior scutellars divergent ; posteriors as long as anteriors, equally distant from each 

 other and from anteriors. Sterno-index about 08. Legs yellowish white ; femora white ; 

 tibiae fuscous apically and tarsi slightly so. Preapicals on mid and hind legs ; apicals 

 on mid leg. Wing hyaline ; veins yellowish brown ; crossveins not clouded, posterior 

 crossveins somewhat sinuated. i? 2 + 3 nearly straight, apically curved to costa ; i? 4 + 5 and M 

 nearly parallel, considerably convergent basally. C-index about 17 ; 4V-index about 3-1 ; 

 4C-index about 19 ; 5x-index about 13 ; Ac-index about 28. Ci-bristles two ; C3-fringe on 

 basal three-sevenths. Halteres yellow, base orange, knob glossy black. Abdominal tergites 

 yellowish brown, with black spots as follows : two small ones on iT (usually absent), four outer 

 larger, on 2T, three on 3T, median one large, five large ones on 4T, five small ones on 5T, and 

 two small ones on 6T. 



Arun Valley, east shore of River Arun below Tumlingtar, evergreen shrubs 

 bordering dry stream-beds, c. i,8oo', 14-23. xii.1961, 10 $ (R.L.C.). 



Distribution : Nepal (new locality), Formosa, Philippines, Palau, Africa. 



Leucophenga salatigae de Meijere 

 (Text-figs. 56-61, 72) 



Leucophenga salatigae de Meijere, 1914 : 260 (Java). 



Leucophenga albicincta de Meijere var. Salatigae de Meijere ; Duda, 1939 : 47 (Africa). 



<£, $. Body about 3 mm. Head as broad as thorax. Eyes dark red, large, bare. Antennae 

 with second segment yellowish grey ; third grey, twice as long as broad, pale at base of arista, 

 which has about six dorsal and two ventral branches and a small terminal fork. Palpus yellowish 

 orange, slender, curved upward, apical half dark brown, with short setae below. Ocellar tri- 

 angle black. Periorbit yellowish grey, not reaching anterior extremity of front. Front yellow- 

 ish grey, matt, anteriorly pale, anterior width narrower than length down middle, posteriorly 

 about two-fifths as broad as head width. Clypeus yellowish grey. Face yellowish white. 

 Carina flat. Cheek very narrow, about one-twelfth as broad as the greatest diameter of eye. 

 Occiput black. Postverticals moderate in size. Posterior reclinate orbital nearly twice as 

 long as others ; anterior reclinate slightly behind proclinate and thrice as distant from posterior 

 reclinate as from proclinate. Only one prominent oral, others slender. 



Mesonotum orange-brown, convex, unicolorous. Scutellum yellowish orange, apically pale 

 yellow, laterally black. Thoracic pleura yellow, with a broad black longitudinal stripe for 

 entire length. Humeral callus yellow. Humerals three, uppermost longest, lowermost shortest. 

 Acrostichal hairs in about eight rows. Prescutellar nearly as long as anterior dorsocentral. 

 Posterior dorsocentrals nearly twice as long as anteriors ; distance between anterior and posterior 

 dorsocentrals about one-third distance between anterior pair. Anterior scutellars long, diver- 

 gent ; posteriors two-thirds length of anteriors and as long as scutellum. Sterno-index about 



