20 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.65. 



a brassy tinge, sparsely punctured; lower half of clypeus blacky 

 coarsely punctured, fringed with yellowish hairs; mandibles red. 

 Thorax clothed with moderately dense white hairs, more abundant 

 on the sides; mesothorax shining, microscopically lineolate, the punc- 

 tures about the diameter of a puncture apart; scutellum microscopi- 

 cally tessellate, opaque, with deep punctures; disk of propodeum 

 crescentic, polished posteriorly, rugae almost parallel on the lateral 

 portions of disk, anastomosing medially; truncation not sharply defined 

 but distinct laterally; tegulae red-testaceous, impunctate. Abdomen, 

 obovate, impunctate, without distinct hair bands, but segments cov- 

 ered with white subappressed hairs; first abdominal segment punc- 

 tured on the median portion, the second segment punctured on the 

 base; segments 1-2 sparsely pubescent. Wings clear; anterior wing 

 4.5 mm. long; stigma and nervures pale testaceous; second submar- 

 ginal cell higher than broad, receiving the first recurrent nervure near 

 the apex; third submarginal rather gently contracted above, about 

 one and one-half times as long as second on marginal. Legs black 

 v/ith dull white hairs; hind spur pectinate with four moderately 

 long teeth. 



Habitat. — White Mountains, New Mexico, July 20, on flowers, Ver- 

 hascum thapsus (C. H. T. Townsend). 



Type— C&t. No. 26413, U.S.N.M. 



HALICTUS (CHLORALICTUS) LATUS, new species. 



Female. — About 6.5-7 mm. long; head and thorax dark olive green; 

 abdomen black; pubescence yellowish white. Facial quadrangle about 

 as broad as long; orbits converging shghtly below; face clothed 

 with moderately dense pubescence; front closely punctured, the 

 punctures more scattered and indistinct below the antennae; sup- 

 raclypeal area microscopically lineolate, with few deep punctures; 

 clypeus produced little below the lower margins of the eyes, lower 

 half shining black, with few coarse punctures, fringed with yellow- 

 ish hairs. Thorax clothed with moderately abundant yellowish white 

 hairs; mesothorax broad, shining, microscopically tessellate, with 

 scattered shallow punctures; median and parapsidal grooves deeply 

 impressed; scutellum closely and coarsely punctured, two polished 

 spots on the disk; disk of propodeum crescentic, without an in- 

 closing rim, shining, with coarse plicae extending to the posterior 

 margin, median portion of disk slightly elevated posteriorly, and tes- 

 sellate; truncation distinct laterally; tegulae rufo-testaceous, impunc- 

 tate. Abdomen obovate, impunctate; segments 1-2 almost without 

 pubescence, shining; segments 3-5 covered with subappressed yellow- 

 ish hairs. Anterior wing about 5 mm. long; wings hyaline; stigma 

 and nervures pale testaceous; second submarginal cell higher than 

 broad, receiving the first recurrent nervure very near the apex; third 



