18G9.] 379 [Creason. 



4. Ceropales agilis. 



Ceropales agilis Smith, Journal of Entomology, ii, p. 269. Cresson, 



Trans. Am. Ent. Soc, i, p. 142. 

 Hnb. — Orizaba. (Pi'of. F. Sumichrast. Coll. Am. Ent. Soc.) 

 Two ? specimens. 



Genus MYGNIMIA Smith. 



1. Mygnimia mexicana. 



Mygnimia mexicana Cresson, Trans. Am. Ent. Soc, i, p. 143, 9. 



$ . Form slender, opaque black, thinly clothed with black pubes- 

 cence; face, clypeus, antenns8, except base above, posterior margin 

 of prothorax and anterior legs, except base, yellow; intermediate 

 tibiaj in front tinged with yellow; posterior tibite with a few very short 

 spines on outer edge; abdomen elongate, subclavate, subopaque; 

 wings more blackish at apex than in ? . Length eight and one half 

 lines. 



Hnb. — Vera Cruz, 9 , (Chas. Sartorius) ; Orizaba, 3 , (Prof Sumi- 

 chrast). One ? , one 3, specimens. In both sexes the first discoidal 

 cell has, at base, a subhyaline space, surrounding an opaque yellow 

 spot. 



2. Mygnimia ustulata. 



Hemlpepsls ustulata Dahlb., Hym. Eur., i, p. 123. 

 Mygnimia ustulata Smith, Brit. Mus. Cat. Hym., iii, p. 189. Cres- 

 son, ibid. * 

 Hub. — "Mexico." Not seen. 



Genus PEPSIS Fabr. 



1. Pepsis Sommeri. 



Pepsls Sommeri Dahlb., Hym. Eur., i, p. 465. Cresson, Trans. 



Am. Ent. Soc, i, p. 146. 

 Hab. — Vera Cruz ; (C. Sartorius.) One 9 specimen. This 

 species is quite abundant in Guatemala. 



2. Pepsis Montezuma. 



Pepsis Montezuma Smith, Brit. Mus. Cat. Hym., iii, p. 199. Cres- 

 son, ibid. 

 Hab. — " Mexico." Not seen. 



3. Pepsis caerulea. 



Sphex ccerulea Linn. Syst. Nat., i, p. 947. Fab. Ent. Syst., ii, 219. 



