TEXAN HYMENOPTERA. 2G7 



Megachile gentilis. n. sp. 



%. — Small, black, closely and finely punctured; head large, transverse, 

 broader than thorax; the face as far up as lower ocellus and the clypeus 

 clothed with a long dense pale yellow pubescence, that on cheeks white and 

 long beneath, that on vertex thin and brownish-yeilow ; antennae slender, 

 black, pointed at tip; thorax clothed with rather dense cinereous pubescence, 

 long on scutellum, metathorax and pleura where it is white, and short and 

 thin on niesothorax scarcely obscuring the surface; wings hyaline, faintly 

 dusky at tips; ]e<j;s slender, simple, clothed with white pubescence, long and 

 dense on anterior femora and tarsi behind; abdomen shining, segments 1 — i 

 with an apical fringe of snow-white pubescence, first segment broadly deeply 

 concave at base, clothed posteriorly and laterally with long cinereous pubes- 

 cence, near basal margin of segments 3 — 5 a narrow band of whitish pile, some- 

 times indistinct, apical segment more or less clothed centrally with a patch of 

 dense white pubescence, the apex deeply notehed, the sides sometimes more or 

 less denticulated; venter banded with whitish pubescence. Length .40 inch. 

 Seven specimens. (Belfrage.) 



Megacliile brevis. 



Megachile brevis, Say, Bost. Jour. Nat. Hist, i., p. 407. 

 Four % specimens. (Belfrage.) 



Megachile iniinica, n. sp. 



9 . — Long, narrow, parallel, black, opaque, densely punctured ; head large, 

 subcubical, broad behind eyes, face with dense yellowish pubescence, sparse 

 on clypeus, cheeks beneath with long yellowish pubescence; prothorax, lateral 

 margin of mesothorax, scutellum posteriorly, metathorax and pleura clothed 

 with a more or less dense yellowish pubescence; mesothorax with sliort sparse 

 blackish pubescence, longer on scutellum ; tegulse rufo-testaceous; wings yel- 

 lowish-fuscous, darker and subviolaceous on costal tip; legs ferruginous, 

 fringed with yellowish pubescence; abdomen elongate, narrow, obtusely 

 pointed at tip, the segments with a narrow apical fiinge of dense short yellow 

 pubescence, otherwise the pubescence above is very short and black; ventral 

 scopa yellow, brown on last segment. Length .55 — .00 inch. 

 Two specimens. (Belfrage.) 



megachile lucrosa, n. sp. 



9. — Same form as inimica, with the head more cubical, and cheeks 

 broader; black, clothed with cinereous pubescence; vertex very densely and 

 finely punctured, cheeks with large sparse punctures; face and cheeks be- 

 neath with dense cinereous pubescence, which on vertex is sparse and mixed 

 with black; clypeus short, transverse, anterior edge tuberculated ; mandibles 

 large, rugose, fringed beneath with long golden hairs; thorax above with short 

 cinereous and black mixed pubescence, on collar, metathorax and pleura it is 

 long, dense and white; tegulre black, wings pale fusco-hyaline, much darker 

 on apical margin; legs black, the femora with whitish pubescence, long on an- 

 terior pair behind, the tibire and tarsi with golden pubescence; abdomen 

 shorter than in preceding species, the segments, except last, with a narrow 

 apical fringe of snow-white pubescence which is dense on sides of first segment; 

 ventral scopa j)ale yellow. Length .55 inch. 

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



