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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 6. — a-c, Rivellia quadrifasciata Macquart: a, lateral aspect of ninth tergite and 

 proctiger of male; h, lateral aspect of aedeagus; c, dorsal aspect of aedeagus. d-f, R. 

 colei, new species: d, wing; e, lateral aspect of ninth tergite and proctiger of male; /, 

 lateral aspect of aedeagus. g-j, R. conjuncta Loew: g, wing; h, lateral aspect of ninth 

 tergite and proctiger of male; i, lateral aspect of aedeagus;/, dorsal aspect of aedeagus. 



