226 E. T. CRESSON. 



A lyson texauns, n. sp. 



%. — Black, shining, clothed with a pale subsericeous pubescence; face 

 silvery; tips of mandibles ferruginous; scape whitish beneath, fiagellum fer- 

 ruginous beneath, apical joint curved and hooked; raetathorax elongate, 

 truncate behind, with lateral angles prominent, basal enclosed space elongate 

 and rugose, on each side of space the surface is transversely striated to lateral 

 declivity; tegulse brown; wings hyaline, apex dusky, a faint cloud beneath 

 tip of stigma; four anterior tibia? and the posterior pair slightly at base, ferru- 

 ginous; abdomen smooth, shining, the first segment, except base, and the sec- 

 ond entirely rufo-ferruginous; apex with two long slender setae. Length .25 

 inch. 



One specimen. (Coll. G-. W. Belfrage.) 



CRABRONIDiE. 



Trypoxylon politum. 



Trypoxylon politus, Say, Best. Journ. Nat. Hist, i., p. 373. 



Four % $ specimens. (Boll; Heiligbrodt.) 



Trypoxylon clavatum. 



Tiypoxylon clavatus, Say, Bost. Journ. Nat. Hist, i., p. 374. 

 Two specimens. (Boll.) 



Trypoxylon frigidum. 



Trypoxylon frigidum, Smith, Brit. Mus. Cat. iv., p. 380. 



One % specimen. (Belfrage.) 



Trypoxylon texense. 



Trypoxylon texense, Sauss. Hymen. Novara-Exped. p. 77. 

 Ten % 9 specimens. (Belfrage; Heiligbrodt.) 



Trypoxylon ( riden I at um. 



Trypoxylon tridentatum, Pack. Proc. Ent. Soc. Phil, vi., p. 41! 



Five £ 9 specimens. (Belfrage.) 



Oxybelus lrctus. 



Oxybelus Icetus, Say, Bost. Journ. Nat. Hist, i., p. 375. 

 Two specimens. (Belfrage.) 



Oxybelus emarginatus. 



Oxybelus emarginatus, Say, Bost. Journ. Nat. Hist, i., p. 375. 



Two specimens. (Belfrage.) 



< 'rabro I O-niaculal us. 



Crabro 10-maculatus, Say, West. Quar. Bep. ii. p. 78. 



Seven % $ specimens. (Belfrage; Boll.) 



Crabro rufifemur. 



Crabro rufifemur, Pack. Proc. Ent. Soc. Phil, vi., p. 81. 

 One specimen. (Belfrage.) 



