SCENOPINIDAE OF THE WORLD 



225 



Antenna orange-brown, frons broader than the width of the ocellar tubercle 



P. nordeni, new species 



151. Pseudatrichia albocincta Van Duzee 



Figure 145 

 Pseudatrichia albocincta ^'an Duzee, 1926, p. 164. 



Van Diizee's description was based on a single female erroneously 

 considered to be a male. It is characterized by the silvery pile on back 

 of the head and the three-pronged eighth sternal plate. 



Length: Female body 6 mm., wing 4 mm. 



Type-locality: Bradley, Monterey Co., California; 23 May 1920 

 (E. P. Van Duzee). 



Type: Correct to read "female" (CAS) 1874. 



Other specimens: 1 9, Tehachapi Pass, California; 8 June 1929 

 (R. L. Usinger) (CAS). 



Figure 145. — Pseudatrichia albocincta Van Duzee, female: a, wing; b, lateral aspect of head; 

 c, enlarged detail of antenna; d, ventral aspect of 8th and 9th sternum; e, lateral aspect 

 of 8th and 9th segments. 



152. Pseudatrichia atomboniba, new species 



Figure 146 

 Pseudatrichia unicolor Crosson (not Coquillctt), 1907, p. 113. 



Male. — Head red-brown; eyes black-brown above, darker below; 

 frons small, swollen above antennae narrowing to less than the 

 width of the median ocellus; a narrow postocular ridge behind the 



