470 The Philippine Journal of Science 1923 



Dicranomyia tattakse is related to D. basifusca Alexander, of 

 Japan. 

 Dicranomyia curvispina sp. nov. 



General coloration obscure yellow; head black; wings with a 

 strong brownish tinge, the stigma darker; Sc long, cell 1st M 2 

 closed ; abdominal tergites dark brown, the sternites bicolorous ; 

 mesal pleural appendage of male hypopygium bearing a long, 

 curved spine. 



Male. — Length, 6 millimeters ; wing, 7.5. Rostrum and palpi 

 black. Antennae dark brown, the flagellar segments elongate. 

 Head dark brown. 



Pronotum dark medially, obscure yellow laterally. Mesonotal 

 praescutum shiny yellow, broadly infuscated on the cephalic 

 margin; remainder of the mesonotum obscure yellow. Pleura 

 yellow, the dorsal sclerites a little infuscated. Halteres elongate, 

 brown, a little paler at the extreme base of the stem. Legs with 

 the coxae and trochanters yellow; femora pale brown, the tips 

 broadly darkened; tibiae and tarsi dark brown. Wings with a 

 strong brown tinge; stigma oval, darker brown; veins dark 

 brown. Venation: Sc moderately long, Sc x ending just before 

 one-third the length of Rs, Sc 2 at its tip ; Rs long, almost straight ; 

 r at tip of R x ; inner end of cell R 3 far proximad of cell R 5 ; cell 1st 

 M, pentagonal, gently widened distally; m about two-thirds the 

 outer deflection of M 3 ; distal section of M M longer than cell 

 1st M 2 ; basal deflection of Cu x one-half longer than Cu-, 

 situated some distance beyond the fork of M. 



Abdominal tergites dark brown; sternites obscure yellow, the 

 incisures conspicuously dark brown, increasing in extent on the 

 subterminal segments. Male hypopygium obscure brownish 

 yellow. Mesal pleural appendage bearing a single, very long 

 and conspicuous spine far before the tip, this strongly bent near 

 one-third its length, the apical two-thirds appearing as a long, 

 black spine. 



Habitat. — Formosa. 



Holotype, male, Tattaka, altitude about 7,400 feet (about 

 2,250 meters), August 18, 1921 (T. Esaki). 



1 ansanus sp. nov. 

 General coloration brown; antennae short; wings uniformly 

 tinged with brown; vein 2d A ending far beyond the basal 

 deflection of Cu x ; male hypopygium with the inner pleural 

 appendage bifid. 



