200 



U.S. NATIONAL MUSEUM BULLETIN 277 



Figure 13 L — Brevitrichia melanderi, new species, female: a, wing; h, lateral aspect of head; 

 c, enlarged detail of antenna; d, dorsal aspect of head; ^,ventral left and dorsal right aspects 

 of 8th and 9th segments, bursal structure outlined; /, lateral aspect of 8th and 9th seg- 

 ments; g, bursal structure. 



Male. — Unknown. 



Length: Female body 5 mm., wing 2.4 mm. 



