TEXAN HTMENOPTERA. 251 



testaceous; wings hyaline, nervures honey-yellow; legs more or less tinged 

 with brown and clothed with ochraceous pubescence; abdomen oblong-ovate, 

 very finely and densely punctured, sericeous, base and sides of first segment 

 and apex with griseous pubescence, apical margins of segment 1—4 with a nar- 

 row even fascia of short dense whitish pubescence, anal riina pale ochraceous. 

 Length .30— .35 inch. 



Eight specimens. (Belfrage; Boll.) The stout tubercle or spine 

 on each side of head beneath, found also in 9 of texanus, varies con- 

 siderably in length and acuteness, being sometimes long and acute, 

 sometimes short and blunt. 



If alictus texanus, n. ep. 



9< — Black, very closely and finely punctured ; head not wider than tho- 

 rax, clothed with a short cinereous pubescence, more dense on face and cheeks 

 and long and thin on cheeks beneath ; clypeus and middle of face shining, 

 very sparsely punctured, the former fringed at apex with long golden hairs; 

 mandibles tinged with red; cheeks beneath with a stout obtuse tubercle; an- 

 tennas short, brown, flagellum pale beneath; prothorax tinged with ferrugi- 

 nous; upper lateral margin of prothorax, anterior margin of mesothorax, post- 

 scutellum, sides of metathorax and of pleura clothed with dense griseous pu- 

 bescence ; metathorax and pleura except a blotch beneath wings, pale ferrugi- 

 nous; base of metathorax finely granulated; tegulee honey-yellow; wings 

 hyaline, faintly dusky at tips, nervures and stigma honey-yellow; legs pale 

 ferruginous or fulvous, with pale yellow pubescence, four anterior femora more 

 or less black; abdomen oblong-ovate, densely and minutely punctured, seri- 

 ceous, segments 1 — 4 each with an apical fascia of white pubescence, anal rima 

 cinereous, first, second and basal margin of third segments pale fulvo-ferrugi- 

 nous. Length .30 inch. 



% . — Smaller, narrower than 9 > more densely pubescent, that on sides of face 

 dense and silvery-white; clypeus except base, labium and middle of mandibles 

 lemon-yellow; cheeks unarmed ; antennas long, flagellum yellow with a brown 

 streak above not reaching apex, apex of scape beneath pale; sides of metatho- 

 rax above and nearly the whole of pleura black; knees, tibiae and tarsi more 

 or less lemon-yellow; abdomen more convex than in 9> narrower, more 

 thickly pubescent, two basal segments strongly tinged with fulvous. Length 

 .25 inch. 



Two specimens. (Coll. G. W. Belfrage.) 



Halictus similis. 



Halictus similis, Smith, Brit. Mus. Cat. i., p. 69. 

 Six 9 specimens. (Belfrage.) 



Halictus bardus, n. sp. 



9 .—Deep black, closely punctured, head and thorax rather thickly clothed 

 with a griseous pubescence ; head not wider than thorax; middle of face and 

 clypeus shining, sparsely punctured, the punctures on clypeus large, apex 

 fringed with long golden hairs; antennas entirely black; scutellum smooth 

 and shining, sparsely punctured ; base of metathorax finely irregularly longi- 

 tudinally wrinkled; on postseutellum, sides of metathorax and pleura the 



