T. OKADA 



Figs. 35-43. 35-37. Leucophenga costata sp. n., <£. 35, head, lateral aspect ; 36, head, 

 dorsal aspect ; 37, wing. 38-39, Leucophenga subpollinosa de Meijere, <J. 38, peri- 

 phallic organs, lateral aspect ; 39, phallic organs, ventral aspect. 40-43, Leucophenga 

 leucoxona Duda, 6*- 4°. head, lateral aspect ; 41, wing ; 42, phallic organs, ventral 

 aspect ; 43, periphallic organs, lateral aspect. 



