DIPTERA FROM NEPAL 25 



broad as length down middle, posteriorly two-sevenths as broad as head width. Clypeus greyish 

 white, medially white. Face white, narrow. Carina undeveloped. Cheeks white, narrow, 

 about one-twentieth as broad as head width. Occiput dark brownish black, white above. 

 Anterior reclinate orbital four times as distant from posterior reclinate as from proclinate, which 

 is slightly shorter than reclinates ; posterior reclinate slightly nearer to proclinate than to inner 

 vertical. Inner vertical one-third as long as outer vertical. Postverticals short, half as long as 

 inner verticals. Only one prominent oral. 



Male mesonotum white, densely silver pollinose ; scutellum silver pollinose, unicolorous. 

 Female mesonotum yellowish white ; scutellum yellowish white, apically white. Thoracic 

 pleura white, matt, unicolorous. Only one long median humeral. Prescutellar as long as 

 anterior dorsocentral. Acrostichal hairs in about eight rows. Anterior dorsocentrals two- 

 thirds length of posteriors ; distance between anterior and posterior dorsocentrals about two- 

 thirds distance between anterior pair. Anterior scutellars divergent, posteriors slightly nearer 

 to each other than to anteriors. Sterno-index about o-8. Legs white ; all metatarsi subequal 

 in length to the other segments together. Preapicals on mid and hind legs ; apicals prominent 

 on mid leg. Wings hyaline, slightly pointed at tip ; crossveins clear ; costa ending at the tip 

 of i?4+ 5 ; R x and i? 2 + 3 apically black ; i? 2 + 3 gently curved to costa apically ; i? 4 + 5 and M nearly 

 parallel. C-index about 18 ; 4V-index about 29 ; 4C-index about 1-9 ; 5x-index about 1-9 ; 

 Ac-index about 24. Ci-bristles two ; C3-fringe on basal five-sevenths. Halteres white, 

 knob black. Abdominal tergites yellowish white. In male, 2T laterally with a small black 

 spot ; 4-5T medially with a long black stripe, laterally with two large black spots. In female, 

 2T laterally with a large black spot ; 3-4T with five black spots ; 5T with seven black spots ; 

 6T with two black spots. 



Periphallic organs yellowish white. Genital arch broad, gently narrowing below, pubescent, 

 with a few setae on upper caudal margin, lower tip, and at middle ; heel rectangular ; toe 

 rounded. Anal plate semicircular, setigerous and pubescent. Clasper nearly quadrate, 

 broader than long, with long setae on caudal margin and inferior surface. Phallic organs : 

 Aedeagus black, elongate, distal half bifurcated, basally with a pale yellowish brown elongate 

 ventral recurved process, which is longer than aedeagus and apically slightly pointed. Anterior 

 paramere long, narrow, slightly swollen medially, apically with a few sensilla. Posterior 

 paramere brown, attached to a dark brown hooked piece of aedeagus. Ventral fragma black, 

 proximally pointed. PI = 00 • p.f. = ABCDefgHikLmN. 



Taplejung District, Dobhan, evergreen trees overhanging stream in deep gully, 

 c. 3,500', 30.1.1962, 1 $ ; Arun Valley, east shore of River Arun below Tumlingtar, 

 evergreen shrubs bordering dry stream-beds, c. 1,800', 14-23. xii.1961, 6 <$, 5 $ ; 

 above River Sabhaya, east shore, swept from dwarf bamboos in deep ravine, c. 2,000', 

 12. xii.1961, 1 <$ (R.L.C.). 



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



Leucophenga halteropunctata Duda 

 (Text-figs. 53-55, 71) 



Leucophenga halteropunctata Duda, 1923 : 28 (Formosa) [nom. nud.] ; Duda, 1924a : 188 ; 

 1924b : 239 (Formosa) ; Sturtevant, 1927 : 364 (Philippine) ; Burla, 1954 : 2 9 (Africa) ; 

 Wheeler and Takada, 1964 : 228 (Palau). 



$. Body about 2 mm. Head as broad as thorax. Eyes dark red, bare. Antennae with 

 second segment orange-brown ; third greyish yellow. Arista with about five dorsal and two 

 or three ventral branches and a moderate terminal fork. Palpus dark brownish black, slender, 

 with an apical and two ventral long setae. Ocellar triangle black, grey pollinose, Periorbit 

 greyish yellow, not sharply demarcated. Front yellowish grey, parallel-sided, somewhat glossy, 



