92 T. OKADA 



down middle. Ocellar triangle black, outer margin also black. Periorbit black, two-thirds as 

 long as front, posteriorly narrowing, anterior end rounded. Anterior scutellars nearly as long 

 as posteriors, which are equidistant from each other and from anteriors. All metatarsi subequal 

 to next three segments together. Face deep black above, white below. Egg-guide lobe yellow, 

 broadly truncate apically, with about twenty pointed black marginal teeth, ultimate three teeth 

 widely apart from each other. Basal isthmus brown, long, nearly half as long as lobe. Sub- 

 terminal hair long. Other features as described by Okada (1955). 



Taplejung District, Sangu, mixed vegetation by stream in gully, c. 6,200', ix-x. 

 1961, 1 $ ; ibid., rotten fruits of Bhor trees on ground, c. 6,200', 7-31.X.1961, 10^, 

 3 $. Arun Valley, below Tumlingtar, River Sabhaya, west shore, fermented millet 

 seeds on shore, c. 1,800', 24.xii.1g61, 4 <£, 1 $ (R.L.C.). 



Distribution : Nepal, India. 



The TAKAHASHII Subgroup 

 Drosophila (Sophophora) takahashii Sturtevant 



Drosophila takahashii Sturtevant, 1927 : 371 (Formosa) ; Chino, 1927 : 473 (Japan) ; Peng 



x 937 : 2 7 (China) ; Kikkawa and Peng, 1938 : 534 (Formosa, Manchuria) ; Okada, 1955 : 



388 (Nepal). 

 Drosophila (Sophophora) takahashii Sturtevant ; Sturtevant, 1942 : 29 ; Okada, 1956 : 109 



(Japan) ; Okada, 1964a, : 111 (Japan : Amami) : Okada, 1964b : 449 (Borneo) ; Wheeler 



and Takada, 1964 : 174 (Mariana Is.). 



Taplejung District, Sangu, rotten fruits of Bhor tree on ground, c. 6,200', 7-31. x. 

 1961, 15 cJ, 6 ${R.L.C). 



Distribution : Nepal, Formosa, China, Ryukyu, Manchuria, Japan, Mariana Is. 



The MELANOGASTER Subgroup 

 Drosophila (Sophophora) melanogaster Meigen 

 Drosophila melanogaster Meigen, 1830 : 85 (Europe). 



Taplejung District, Sangu, from rotten Naspati fruits in traps, c. 6,200', 8-31. x. 

 1961, 13 (J, 6 $ ; ibid., mixed vegetation by stream in gully, c. 6,200', xi.1961- 

 i.1962, 1 $ ; ibid., from rotten bananas in traps, c. 6,200', x-xii.1961, 20 <$, 16 °- ; 

 between Sangu and Tamrang, mixed plants by damp cliff in deep river gorge, 

 c. 5,200', 22.xi.1961, 1 $ (R.L.C.). 



Distribution : Nepal, India, China, Manchuria, Korea, Formosa, Japan, Micro- 

 nesia, Hawaii, Australia, Africa, Europe, N. America, S. America. 



The MONTI UM Subgroup 

 Drosophila (Sophophora) kikkawai Burla 



Drosophila (Sophophora) kikkawai Burla, 1954a : 47 (Japan, China, Brazil, Hawaii?, Samoa?) ; 



Okada, 1955 : 387 (Nepal) ; Okada, 1956 : 118 (Japan) : Okada, 1964b : 457 (Borneo) ; 



Kang, Chung, and Lee, 1959 : 62 (Korea) ; Wheeler and Takada, 1964 : 176 (Mariana Is., 



Palau, Ponape). 

 Drosophila montium de Meijere, 1917 ; Duda, 1923 : 53 (Formosa, India) ; Duda, 1924 : 215 ; 



247 (Java, Formosa, India) ; Duda, 1926 : 99 (Sumatra) ; Chino, 1927 : 473 (Japan) ; 



