268 



U.S. NATIONAL MUSEUM BULLETIN 261 



Figures 255-258.-255, Acrogonia flavoscutellata (Signoret), specimen from 

 Palmira, Colombia: j, anal tube, latcrotergite, and acdeagus, in lateral 

 view. 256, A. nigriceps (Signoret), specimen from Panama. 257, A. gracilis 

 (Osborn), from specimens from Panama. 258, A. flagellata, new species, 

 holotype: j, anal tube and basal sclcrite in lateral view. 



