DIPTERA FROM NEPAL 101 



Korea) in general features of $ and 9 genitalia, in having three long sternopleurals, 

 and dark patches of thoracic pleura, but differs from it in the details of phallic and 

 periphallic organs : lower tip of genital arch pointed (rounded in sternopieuralis) , 

 aedeagus more robust, and hypandrial plate serrated (non-serrated in s.). 



The GRANDIS Group 



Yellowish brown or dark brown species, with black patches or stripes on thoracic 

 pleura. Anterior reclinate orbital small, less than one-third as long as posterior 

 reclinate. Second oral much shorter than vibrissa. Phallic organs without poster- 

 ior parameres. Including D. (D.) grandis Kikkawa and Peng, 1938, tennicanda 

 Okada, 1956, acutissima Okada, flexicauda Okada, and editinares Okada, the 

 latter three species included in this paper. 



Drosophila (Drosophila) acutissima Okada 



(Text-figs. 293-298) 

 Drosophila {Drosophila) acutissima Okada, 1956 : 139 (Japan). 



Taplejung District, between Sangu and Tamrang, dense vegetation in tree shade 

 by hill stream, c. 5,500', 23.X.1961, 1 £ ; ibid., mixed shrubs in deep gorge, c. 5,200', 

 x-xi.1961, 4 c?, 3 $ ; ibid., mixed plants by damp cliff in deep river gorge, c. 5,200', 

 22.xi.1961, 4 cT. 3 9 ; below Sangu, edge of small mixed wood, c. 6,000', 4.xi.i96i, 

 1 $ ; Sangu, mixed vegetation by stream in gulley, c. 6,200', xi. 1961-1.1962, 7 <3\ 

 8 9 ; above Sangu, mixed vegetation in dried-up ravine, c. 6,800', 16. ii. 1962, 3 $ 

 (R.L.C.). 



Distribution : Nepal (new locality), Japan. 



Slightly differing from original form (Japan) in having medioventrally swollen 

 aedeagus and no distinct lateral lobe of aedeagus. Other features strictly agree 

 with those of the Japanese form. 



Drosophila (Drosophila) flexicauda sp. n. 



(Text-figs. 299-305) 



o\ $. Body 1 5-2 mm. Head somewhat narrower than thorax. Eyes oval, small, purplish 

 red, pilose. Antennae with second segment orange-grey, third yellowish grey, apically some- 

 what narrowing. Arista with about six dorsal and two ventral branches and a small terminal 

 fork. Palpus yellowish grey, slender, rounded at tip, with a long apical seta. Ocellar triangle 

 black, small. Ocelli pale yellow. Periorbit pale greyish yellow, broad, anteriorly extending 

 near the anterior margin of front. Front broad, yellowish grey, anteriorly orange-yellow and 

 broader than length down middle, nearly parallel-sided, posteriorly about three-fifths as broad 

 as head width. A few frontal hairs present. Clypeus orange-grey. Face yellowish white. 

 Carina broad, high. Cheeks yellowish white, dark at the insertion of orals, more than one-third 

 as broad as the greatest diameter of eye. Occiput yellowish grey. Postverticals moderate 

 in size. One strong oral, much longer than posterior reclinate orbital ; succeeding orals very 

 slender. 



Mesonotum and scutellum uniformly yellowish brown, somewhat glossy. Thoracic pleura 

 paler, with diffuse dark patch below humerus. Two humerals, upper longer. Acrostichal hairs 



