Cresson.] 372 [March 24, 



Hob. — Orizaba. (Prof. F. Sumichrast. Coll. Am. Ent. Soc.) One 

 ? specimen. 



18. Pompilus rupex, n. sp. 



? . — Black, ■with a thin, silvery-sericeous pile, more obvious on face, 

 metathorax and base of legs; anterior margin of clypeus truncate; 

 tips of mandibles rufous; posterior margin of prothorax subangular; 

 metathorax smooth and rounded ; wings hyaline ; extreme apex of 

 anterior pair, a large cloud between middle and apex, covering the 

 marginal, second and third submarginal, and part of discoidal cells, 

 and a faint cloud before the middle, fuliginous ; marginal cell long, 

 lanceolate, third submarginal larger than second, and narrowed one- 

 half towards marginal ; cubital and discoidal nervures extending en- 

 tirely to apical margin of the wing; legs black, silvery-sericeous, pos- 

 terior femora, except extreme base, and their tibiae, bright rufous ; 

 abdomen ovate, shining, entirely bright rufous ; apex opaque, densely 

 pilose. Length three lines. 



Hob. — Orizaba. (Prof. F. Sumichrast. Coll. Am. Ent. Soc.) 

 One ? specimen. Much like P. alienatus Smith. 



19. Pompilus Sartorianus. 



Pompilus Sartorianus Cresson, Trans. Am. Ent. Soc, i, p. 120. 

 Hob. — Vera Cruz. (Chas. Sartoi-ius.) One 9 specimen. 



20. Pompilus cincticornis. 



Pompilus cincticornis Cresson, Trans. Am. Ent. Soc, i, p. 120. 



Hah. — Vera Cruz, (C. Sartorius) ; Orizaba, (Prof. F. Sumichrast). 

 Nine $ , six 5 , specimens. The golden pile on head and thorax is 

 more or less brilliant, and the abdomen is often spotted with yellow. 

 The (5 Is smaller and quite slender ; the antennae long, porrect, ful- 

 vous beneath; the coxas beneath, the apex of first abdominal segment 

 more or less, and a spot on each side of second and third segments, 

 yellow ; posterior tibiae with numerous short spines on posterior edge. 

 Length five to five and one half Hues. In color and markings this 

 species seems to be remarkably like Agenia orhiculata Smith. 



Subgenus Agenia. 



21. Pompilus azureus. 



Pompilus azureus Cresson, Trans. Am. Ent. Soc, i, p. 131. 

 Ilab. — Vera Cruz. (Chas. Sartorius.) One 9 specimen. 



22. Pompilus mexicanus. 



Pompilus mexicanus Cresson, Trans. Am. Ent. Soc, i, p. 130. 



