2S0 :Mr. T. D. A. CockcYcn—Deacriptions and 



Pamirgimis boy lei, Ckll. 



Beulal), N. M., July (CU/.) ■ Sun Ignucio, N. M., Sept. 1 

 (^Porter d) CklL). 



Panurginns armatireps, sp, n. 



? . — Lengtli about 6 mm. 



Black, the head and tliorax with scanty long grey hair ; 

 lieail enormous, the face extren)ely broad, without any light 

 markings; face shining, front dull, except at extreme sides ; 

 cheeks swollen, very broad, polished, armed beneath with 

 a very large tooth ; mandibles extremely long, faloifoim ; 

 labrum broadly rounded, depressed in middle, with a boss- 

 like elevation on each side of base ; clypeus very broad and 

 low ; antennai very long and slender, black; thorax small ; 

 mesothorax and scutellum polished ; area of metathorax 

 dull ; legs ])iceons, thinly haiiy ; tegulae rufo-piceous. 

 "Wings moderately dusky ; b. n. falling short of t.-m. ; 

 first r, n. meeting t.-c. ; second s.m. greatly narrowed 

 above; marginal cell broadly obliquely truncate; abdomen 

 shining, without bands. 



Hub. Claremont, Calif. {Baker; Pomona coll., 228). 



This ( xtraordinary species might have been referred to a 

 new genus, but it is evidently related to P. ulriceps (Cress. ), 

 from which it diflers by the large head with toothed 

 cheeks. 



Perdita fedorensis, sp. n. 



? . — Length nearly 5 mm. 



Like P. vespertilio, Ckll., except that the flagellum is 

 longer and darker, and consjjicuously hooked at end ; and 

 the clypeus is dark brown with a white cuneiform mark on 

 each side. The lateral face-maiks are between triangular 

 and quadrate, notched above ; tubercles with a small white 

 s})0t. Wings clear, with hyaline nervures and stigma. 

 Abdomen dark brown, without markings. Legs dark brown, 

 the tarsi pallid. The apical two-thirds of the (iagellum is 

 rather narrowlv testaceous bene;ith. 



Hub. Fedor,' Texas, April 29, 1898 {Birkmunn, 87). 



Very close to P. ^rsperii/io, but apj)arently distinct. 

 INIr. Birkmann has also taken P. iynota, Ckll. (Lee Co., 

 Texas^ Oct._), and P. crawfurdi, Ckll. (male, Fedor, May 1). 



