FLIES OF GENUS RIVELLIA — NAMBA 



77 



Figure 3. — a-d, Rivellia imitahilis, new species: a, wing; b, lateral aspect of ninth tergite 

 and proctiger of male; c, lateral aspect of aedeagus; d, dorsal aspect of aedeagus. e-h, 

 R. pallida Loew: e, wing;/, lateral aspect of ninth tergite and proctiger of male; g, lateral 

 aspect of aedeagus; h, dorsal aspect of aedeagus. i-l, R. inaequata, new species: i, wing; 

 ;, lateral aspect of ninth tergite and proctiger of male; k, lateral ^aspect of aedeagus; /, 

 dorsal aspect of aedeagus. 



