TEXAN HYMENOPTERA. 249 



Collefes texana, n. sp. 



9. — Robust, black, shining, head and thorax clothed with a short dense 

 whitish cinereous pubescence, very sparse on elypeus, which is shining and 

 sparsely punctured; thorax strongly, rather coarsely punctured, the jiubes- 

 cence on mesothorax and scutclluin more sparse and mixed with black, basal 

 edge of metathorax very coarsely reticulated; tegulse pale piceous ; wings 

 short, hyaline; legs clothed with cinereous pubescence, longer on femora be- 

 hind and dense on posterior legs ; abdomen broad, convex, as long as head and 

 thorax, shining, minutely punctured, base and sides of first segment with a 

 white downy pubescence, apical margins of segments 1 — 5 with a narrow, even 

 fascia of snow-white pubescence; apical segment small, obtusely pointed, 

 clothed with short black pubescence. Length ..35 inch. 



One specimea from Comal Co. The abdominal fasciae are very even 

 and conspicuous. 



Collete!^ ooiisors. 



Co/ktes consors, Cress. Proc. Bost. Soc. Nat. Hist, xii., p. 168. 

 One S specimen. (Belfrage.) 



Collotes albescens. 



Col/eies albescens, Cress. Proc. Bost. Soc. Nat. Hist, xii., p. 16S. 

 Three $ specimens. (Belfrage.) 



Prosopis afflnis. 



Prosopis affinis, Smith, Brit. Mus, Cat. i., p. 24. 

 One 9 specimen. (Belfrage.) 



Si>heeo<Ies texana, n. sp. 



9. — Black, shining, thinly clothed with a short cinereous pubescence, 

 longer and more dense on cheeks, scutellum, metathorax and pleura; elypeus 

 sparsely punctured, fringed anteriorly with long yellowish hairs, which cover 

 the labrum ; mandibles tinged with rufous; scape long and slender, flagellum 

 brown beneath, paler towards apex; thorax very minutely and delicately 

 punctured; basal space of metathorax finely granulated, becoming smooth on 

 posterior edge; tegulse honey-yellow; wings large, clear hyaline, subirides- 

 cent, nervures and stigma honey-yellow; legs slender, tibiae and tarsi pale 

 brownish, thickly clothed with pale yellowish hairs; abdomen large, smooth 

 and polished, sides of three basal segments and apical segments entirely 

 clothed with a short cinereous pubescence, bright honey-yellow, three apical 

 segments dusky and sericeous. Length ..35 inch. 



%. — Slender, more closely and densely punctured; apex of elypeus, labrum. 

 and spot on mandibles white; antennse longer, stouter, and scape much shorter 

 than in 9 5 knees, anterior tibiee, base and apex of four posterior tibiae and all 

 the tarsi yellowish-white; abdomen more slender than in 9> narrowed 

 towards base, and less dusky at apex. Length .30 inch. 



Four specimens. (Belfrage.) 



Sphecodes dichroa. 



Sphecodes dichroa, Smith, Brit. Mus. Cat. i. p. ST. 

 One 9 specimen. (Belfrage.) 



TRANS. AMER. ENT. SOC. IV. (32) NOVEMBER, 1872. 



