INSECUTOR INSCITI^ MENSTRUUS 185 



tip of i?i ; petiole of cell M^ elongate, varying from a little less 

 than the cell to one-half longer than the cell; in the paratype 

 cell M^ is narrowed at the wing-margin; basal deflection of 

 Cu-^ at or before the fork of M. 



Abdominal tergites dark brown, the sternites and hypo- 

 pygium paler brown. Male hypopygium with the pleurites very 

 long, the pleural appendage appearing as a continuation of the 

 pleurite, fleshy, on the mesal face at base bearing a conspicuous, 

 curved, semi-chitinized spine. 



Holotype, male, Mount Minomo, May 4, 1931 (K. Ta- 

 keuchi). 



Paratopotype, male. 



Dactylolabis longicauda differs from the related D. flavid- 

 ipennis chiefly in the coloration of the wings. The two species 

 form a very peculiar group of the genus. 



Pilaria melanota, new species. 



Male. — Length, 5 mm. ; wing, 5.8 mm. 



Rostrum brown, the palpi black. Antennae elongate, if bent 

 backward extending to just before midlength of the abdomen ; 

 dark brown throughout. Head shiny black. 



Mesonotum shiny black, the median area of the scutum and 

 the postnotum obscure yellow. Pleura obscure yellow. Halteres 

 pale, the knobs dark brown. Legs with the coxae and troch- 

 anters yellow ; remainder of the legs dark brown, the femoral 

 bases narrowly obscure yellow. Wings tinged with brown ; 

 stigma not evident ; veins darker brown. Venation : Sc-i almost 

 lacking, ending just beyond two-thirds the length of Rs, Sc^ 

 at its extreme tip; Rs long, angulated at origin; r practically 

 atrophied, on Ro shortly beyond its origin ; cell M^ present, 

 a little longer than its petiole ; basal deflection of Cwj just 

 beyond midlength of cell ist M^. 



Abdominal tergites dark brown, sternites yellow. 



Holotype, male, Gifu. September 15, 1921 (K. Takeuchi). 



Hexatoma japonica, new species. 



Male. — Length about 5 mm. ; wing, 6.2 mm. 

 Female. — Length, 4.8 mm. ; wing. 6 mm. 



