1869.] 371 [Cresson. 



13. Pompilus algidus. 



Poinpilus algidus Smith, Brit. Mus. Cat. Hym., i, p. 158. Cres- 

 son, Trans. Am. Ent. Soc, i, p. 101. 

 Hab. — Orizaba. (Prof. F. Sumichrast.) One $ specimen. 



14. Pompilus mareidus. 



Pompilus mareidus Smith, Journal of Entomology, i, p. 395. 



Cresson, Trans. Am. Ent. Soc, i, p. 110. 

 Hal). — Orizaba. (Prof F. Sumichrast.) One 9 specimen. 



15. Pompilus torridus. 



Pompilus torridus Smith, Journal of Entomology, i, p. 396. Cres- 

 son, Trans. Am. Ent. Soc, i, p. 110. 



Hab. — Orizaba. (Prof F. Sumichrast.) Two ? specimens. 



Variety burrus. ? . Abdominal segments more or less broadly 

 banded apically with black. Length eight hnes. 



Hab. — Vera Cruz. (Dr. Chas. Sartorius. Coll. Am. Ent. Soc.) 

 Three 9 specimens. 



Subgenus Priocnemis. 



16. Pompilus flammipennis. 



Pompilus flammipennis Smith, Brit. Mus. Cat. H}Tn., iii, p. 155. 

 Cresson, Trans. Am. Ent. Soc, i, p. 119. 



Pompilus ignipennis Cresson, Proc. Ent. Soc. Phil., iv, p. 121. 



Hab. — Orizaba. (Prof. F. Sumichrast.) Two ? , six 3 , speci- 

 mens. The base of antennse is always black in the specimens from 

 Mexico; otherwise they seem not to differ from Cuban sijecimens. 



17. Pompilus impiger, n. sp. 



9 . Black, opaque, with a pale golden sericeous pile, most dense 

 and obvious on face, cheeks, prothorax, pleura, apex of metathorax, 

 and base of legs; anterior margin of clypeus truncate, depressed and 

 shining; mandibles rufo-jDiceous near apex; antennae golden sericeous 

 at base; posterior margin of prothorax subangular; metathorax 

 smooth and rounded, its apex brilliantly golden; tegulae pale piceous; 

 wings hyaline, apex white, a narrow fuscous band across anterior pair 

 a little before the middle, and a broad one of same color across an- 

 terior third, covering the marginal cell, except tip, and the two sub- 

 marginals entirely; nervures black; marginal cell lanceolate, acutely 

 pointed at tip; second subraarginal subquadrate, obhque, the third 

 larger and narrowed nearly one-half toward marginal; legs black, 

 silvery-sericeous, tarsi tinged with brown; abdomen ovate, convex, 

 subprulnose, apex opaque, with long pale hairs. Length four lines. 



