TEXAN HVMENOPTERA. 227 



Crabro texanus, n. sp. 



9 • — Black ; head very large, quadrate, densely punctured, clypeus and 

 cheeks bright silvery, anterior orbits pale golden; mandibles except tips and 

 scape lemon-yellow ; thorax densely and coarsely punctured, upper posterior 

 margin of prothorax, tubercles, spot behind, scutellum and postscutellum 

 lemon-yellow; metathorax with a central longitudinal carina; tegulae ferru- 

 ginous ; wings pale fuscous, the eosta beyond stigma fuliginous ; tips of femora, 

 all the tibiae and tarsi yellow, the latter tinged with ferruginous; abdomen 

 densely punctured, a broad band near base of second segment, a narrow one on 

 middle of fourth and a broad one on middle of fifth, lemon-yellow, terminal 

 segment with two carina converging at tip which is acute; venter immacu- 

 late. Length .30 inch. 



Three specimens. (Belfrage.) 



Passaleecus annulatus. 



Pemphredon annulatus, Say, Bost. Journ. Nat. Hist, i., p. 379. 



One specimen. (Belfrage.) 



.Mimosa tibialis, n. sp. 



% 9 .— Black, shining, clothed with a short silvery-white pubescence; faoe 

 densely silvery; middle of mandibles and flagellum beneath and at tips pale 

 ferruginous ; thorax rather sparsely punctured ; tubercles yellowish ; meta- 

 thorax reticulated, coarsely so at base; tegulse testaceous; wings hyaline, 

 iridescent; knees, four anterior tibiee, posterior pair at base and all the tarsi 

 pale yellowish or whitish, apex of posterior tibiae of 9 sometimes ferruginous ; 

 abdomen smooth, shining, subiridescent, slender in % , apex of segments obso- 

 letely dull testaceous, petiole not as long as the dilated portion of the segment. 

 Length .27 inch. 



Four specimens. (Belfrage.) 



M iinesa pauper. 



Mimesa pauper, Pack. Proc. Ent. Soc. Phil, vi., p. 409. 

 One 9 specimen. (Belfrage.) 



Philanthus ventilabris. 



Philanthus ventilabris, Fabr. Ent. Syst. Suppl. p. 268. 



Seven % 9 specimens. (Belfrage.) 

 Philanthus punctatus. 



Philanthus punctatus, Say, Long's 2d Exped. ii. p. 342. 

 Two % 9 specimens. (Belfrage.) 

 Eueereoris zonatus. 



Philanthus zonatus, Say, West. Quar. Rep. ii., p. 79; Am. Ent. pi. 49. 

 One specimen. (Belfrage.) 



C'erceris fumiponnis. 



Cerceris fumipennis, Say, Bost. Journ. Nat. Hist, i., p. 381. 

 Two 9 specimens. (Boll.) 



Cerceris bioornnta. 



Cerceris bicornuta, Guer. Icon. Reg. Anim. p. 443. 

 Three 9 specimens. (Belfrage.) 



