290 



U.S. NATIONAL MUSEUM BULLETIN 27 7 



Figure 187. — Prepseudatrichia mateui, new species, male, female: a, wing; h, c, lateral 

 aspects of male and female heads; d, e, dorsal aspects of male and female heads; /, g, 

 enlarged details of male and female antennae; h, i, ventral and lateral aspects of male 

 terminalia; ;, ventral aspect of female 8th sternum and 9th segment; k, lateral aspect of 

 female 8th and 9th segments; /, female 9th sternum and bursa, floor of cavity outlined. 



Abdomen red-brown to black. Eighth segment elongate, tip of 

 sternum and ninth tergum with a few long hairs; bursa with a large 

 oval membranous area; see figure for details. 



