196 



U.S. NATIONAL MUSEUM BULLETIN 2 77 



Figure 128. — Brevitrichia hodgdeni, new species, male, female: a, wing; b, c, lateral aspects 

 of male and female head; d, dorsal aspect of female head; e, f, enlarged details of male 

 and female antennae; g, h, ventral and lateral aspects of male terminalia; /, ventral left 

 and dorsal right aspects of female 8th and 9th segments, bursal structure outlined with 

 dashed lines; ;, lateral aspect of female 8th and 9th segments. 



135. Brevitrichia insulana (Cole) 



Figure 129 

 Pseudatrichia insulana Cole, 1923, p. 462. 



The type and allotype are figured. Female ninth tergum with 9 stiff 

 spines. 



Length: Male body 3 mm., wing 2.3 mm.; female body 5.8 mm., 

 wing 2.6 mm. 



Type-locality: Isla Raza, Gulf of California, Mexico; 21 April 1921 

 (E. P. Van Duzee). 



Type: (CAS) 1339. 



Allotype: Female (CAS) 1340. 



Specimens seen: 1 9, Isla Partida, Gulf of California, Mexico, 

 23 March 1953 (P. H. Arnaud) (CAS) ; 1 9, Rialto, San Bernardino 

 Co., California, 24 July 1956 (J. C. Hall) (UCalD). 



136. Brevitrichia kerni, new species 



Figure 130 



Female. — Head cream; eyes deep red-brown, postocular ridge 

 moderately wide, a brown patch laterad of the corner of the eye; frons 

 with a median groove extending from the antenna to the median 



