546 PROCEEDINGS OF THE ACADEMY OF [1893. 



iorly; scutellum sparsely punctured, not impressed; upper surface 

 of metatborax rather finely reticulated, more so than in the 9 ; 

 colored like the 9 ; no black pubescence on dorsulum anteriorly nor 

 on the face and clypeus; wings subhy aline throughout; marginal 

 cell obliquely truncate. Length 7 £-8 mm. 



Nevada; New Mexico; Washington; Montana. The specimen 

 from the last mentioned locality differs in having the front more 

 closely and finely punctured. 



8. — Astatus montanus Cress. 

 Astata montana Cr., Proc. Ent. Sect. Acad. Nat. Sciences,1881, p. V, 9 . 

 Astatus montanus Kohl., 1. c. p. 44S. 



<j , — Median lamina of anterior margin of clypeus long and nar- 

 row, truncate at apex; front with a few, large, scattered punctures; 

 vertex with large, sparse punctures; first joint of flagellum about 

 one-quarter longer than the second ; dorsulum with large, scattered 

 punctures; scutellum above impuuctate, not impressed; mesopleurre 

 sparsely punctured ; metathorax above finely granulated or indis- 

 tinctly reticulated, the metapleume striated; legs tolerably spinose; 

 abdomen almost impuuctate; pygidial area about twice as long as it 

 is broad at base. Black ; abdomen entirely red ; mandibles medi- 

 ally, tegulte and legs testaceous; head, thorax and legs very sparsely 

 clothed with black pubescence; wings subfuscous, marginal cell ob- 

 tusely truncate. Length 55-7* mm. 



Nevada; Colorado. 



9. — Astatus asper n. sp. 



<j . — Median lamina of anterior margin of clypeus strongly tri- 

 dentate; front with tolerably large and sparse punctures, which be- 

 come closer towards the clypeus; vertex with a few scattered punc- 

 tures; first joint of flagellum more than one-quarter longer than the 

 second; dorsulum, except anterior portion, almost impuuctate; scut- 

 ellum distinctly impressed ; metathorax above finely granulated, the 

 meso-and metapleurre coarsely rugose; tibia? and tarsi tolerably spi- 

 nose; abdomen almost impunctate; pygidial area more than twice 

 longer than it is broad at base. Black; abdomen red; mandibles 

 medially, tegulse and tarsi, testaceous ; cheeks and thorax with a 

 very sparse, white pubescence, that on the femora dark; apical half 

 of wings fuscous, the marginal cell truncate. Length 7 mm. 



$ . — Median lobe of clypeus produced into a sharp tooth or spur ; 

 first joint of flagellum about one-quarter longer than the second; 



