DIPTERA FROM NEPAL 51 



C3-fringe on basal half. Halteres yellowish orange. Abdominal tergites glossy dark brown, 

 slightly shining purple. 



Periphallic organs : Genital arch brownish black, pubescent, dorsally narrowing, ventrally 

 triangularly pointed ; heel high, rounded. Anal plate very narrow, ventrally broadened, pale 

 yellowish brown, pubescent and setigerous. Clasper yellowish brown, elongate below, broader 

 and darker basally, distally with a concave row of about fourteen marginal black teeth, discally 

 with about three long stout black spines. Phallic organs : Aedeagus robust, brown, rod-shaped, 

 subapically with a large dorsal triangular black projection (thus the specific name), gently sin- 

 uous in S-form in lateral aspect, basally with a black narrow vertical rod and a long apically 

 broadened black apodeme. PI = 1-5. Anterior paramere brown, minute, triangular, with a 

 few sensilla, attached to vertical rod of aedeagus. Posterior parameres apparently absent. 

 Hypandrial plate triangular, brown, apically with a large black hooked process. Ventral fragma 

 quadrate, large, caudally with a pair of small black triangular submedian processes, p.f. = 

 ab'CdEfg HIKLmn. Egg-guide lobe brownish black, basally darker, broad, apically rounded, 

 projecting mediodorsally, with about thirteen brown marginal teeth and a discal dorsal one. 

 Basal isthmus rather long, dark brown. 



Holotype $. East Nepal : Taplejung District, Sangu, mixed vegetation by 

 stream in gully, c. 6,200', ix-x.1961 {R.L.C.), BMNH. 



Allotype $. Same data as holotype, BMNH. 



Paratypes : Taplejung District, 6 <$, same data as holotype ; 2 $, 1 $, Sangu, 

 rotting fruits of Bhor tree on ground, c. 6,000', 7-31.xi.1961 ; 3 $, 1 $, below Sangu, 

 by stream in shady ravine, c. 6,ooo', 30.X.1961 ; 1 £, 1 $, between Sangu and Tarn- 

 rang, mixed shrubs in deepgorge.c. 5,200', x-xi.1961. Arun Valley, 1$, evergreen shrubs 

 on sandy shore, below Tumlingtar, River Sabhaya, west shore, c. 1,800'. 9-17. xii. 

 1961 ; 4(J, 7 $, above River Sabhaya, east shore, swept from dwarf bamboos in deep 

 ravine, c. 2,000', 12.xii.1961 ; 13 $, east shore of River Arun, below Tumlingtar, 

 evergreen shrubs bordering dry stream-beds, c. 1,800', 14-23. xii. 1961 ; 2 <?, 4 $, 

 below Tumlingtar, west shore, fermented millet seeds on shore, c. 1,800', 24.xii.1961 

 (R.L.C.), BMNH : 1 J, from rotting fruits, Sangu, deposited in the Tokyo Metro- 

 politan University. 



Similar to L. rugulosa (de Meijere, 1915) (Java) in having brownish black finely 

 punctured mesonotum, velvety black scutellum, and dark anterior corners of face, 

 but differs from it in having only two rows of acrostichal hairs (six in rugulosa), 

 yellow halteres (black in r.), and yellow fore and mid femora (black in r.). 



Liodrosophila fuscipennis sp. n. 



(Text-figs. 140-145) 



0*,$. Body about 1-7-2-2 mm. Head broader than thorax. Eyes dark red, bare. Antennae 

 with second segment conical, orange-brown ; third mainly black, as broad as long. Arista with 

 about five dorsal and two ventral long branches and a large terminal fork. Palpus distally 

 broadened, with a slender apical and two shorter ventral setae. Ocellar triangle somewhat 

 convex, shining black. Periorbit black, anteriorly narrowing, three-fifths as long as front. 

 Front shining brownish black, anteriorly broader than length down middle ; posteriorly about 

 two-thirds as broad as head width. Clypeus black. Postverticals minute, upright. Face glossy 

 brownish black, greyish white along eye margin. Carina high, brownish black, narrow, short. 



