INSECUTOR INSCITI^ MENSTRUUS 136 



Abdomen dark brown. Ovipositor with the valves horn- 

 colored, the tergal valves rather strongly upcurved, the tips 

 acute. 



Habitat. — Japan. 



Holotype, 9 , Tokyo, December 3, 1919 (R. Takahashi). 



Genus PSILOCONOPA Zeterstedt 

 Psiloconopa verna, new species. 



General coloration black ; lateral margins of the pronotal 

 scutellum and the posterior margin of the mesonotal scutellum 

 yellowish ; knobs of the halteres conspicuously bright yellow ; 

 wings grayish subhyaline ; cell ist Mo open by the atrophy of 

 m; abdomen black, the caudal margins of the segments yellow. 



Male. — Length, about 3.5 mm. ; wing, 4 mm. 



Rostrum and palpi black. Antennae black, the flagellar seg- 

 ments oval. Head black. 



Pronotum black, the lateral margins of the scutellum bright 

 yellow. Mesonotum black, sparsely brownish pollinose ; pos- 

 terior margin of the scutellum obscure yellow ; postnotum deep 

 black. Pleura black ; a tiny yellow spot at the wing-root. Legs 

 entirely black. Halteres black, the base of the stem more 

 brownish, the knobs conspicuously light yellow. Wings grayish 

 subhyaline ; veins dark brown. Venation : Sc long, Sc^ extend- 

 ing to opposite midlength of i^a+s ; "^^2 ^ ^^ before the tip of 

 SCj, the latter vein alone being but little shorter than Rs; Rs 

 long, straight; i?2+3 short, a little longer than the deflection 

 of -^4-1-5 ; r on i?2 about its own length beyond the fork of 

 -^2+3 ; cell 1st M, open by the atrophy of m; basal deflection 

 of Cwi subsinuous, located at the fork of M ; fusion of Cu^ 

 and M3 about equal to the basal deflection of the latter; anal 

 veins divergent. 



Abdomen black, the posterior margins of the tergites yellow, 

 narrow and less distinct on the basal tergites, very distinct on 

 segments 6 to 8; stemites similar but with the yellow margins 

 very narrow and indistinct ; hypopygium small, black. 



Holotype, $ , Tamagawa, Tokyo, Japan, March 20, 1920 

 (Ryoichi Takahashi). 



