336 



U.S. NATIONAL MUSEUM BULLETIN 257 



Figures 114-120.— Olethreutinae, Costosa allockroma, new genus, new species: 114, head; 

 115, wing ncuration; 116, Gnathmocerodes petrifraga, new genus, new species, 

 head. Female genitalia: 117, Eudemis (Acanlhotkyspoda) homalopa, new species, 

 9, holotype; 118, fragment of bursa copulatrix with signum; 119, Peridaedala steno- 

 glypha, new species, 9 , holotype; 120, fragment of bursa copulatrix, showing structure 

 of the wall. 



