44 



T. OKADA 



118 



Figs. 108-118. 108-113, Microdrosophila marginata sp. n. 108, <J head, lateral aspect ; 

 109, (J head, dorsal aspect ; no, o* wing; in, periphallic organs, lateral aspect ; 112, 

 phallic organs, ventral aspect ; 113, $ egg-guide, lateral aspect. 114-118, Micro- 

 drosophila nigrohalterata sp.n. 114, $ head, lateral aspect ; 115,6" wing; 116, periphallic 

 organs, lateral aspect ; 117, phallic organs, ventral aspect ; left upper figure, tip of 

 aedeagus, lateral aspect ; 118, $ egg-guide, lateral aspect. 



