THE CANADIAN ENTOMOLOGIST, 361 



NOTES ON NEW MEXICO BEES. 



BY T. U. A. COCKERELL, N, M. AGR. EXP. STATION. 



Botnbomelecta larrece, n. sp. 



^. — Length i2}4 mm. ; general build and structure o{ £. thoracica, 

 but the scutellum is convex with a central depression, and wholly without 

 spines; while the claws have the inner division short and broadly truncate. 

 The maxillary palpi are 6-jointed, and the mandibles have a strong tooth 

 on the inner side. Black ; pubescence of the face and vertex pale brown; 

 of the occiput, labrum and clypeus, black ; of the pleura, metathorax and 

 scutellum, black ; of the post-scutellum, yellowish, especially noticeable at 

 the sides; of the mesothorax, orange-fulvous, short, dense and conspicuous 

 in front, thin behind. Abdomen with broad but inconspicuous ochreous 

 bands on segments 2 to 4, more or less interrupted in the middle on 2 

 and 4, represented on the first segment by lateral patches, and a few 

 ochreous hairs even in the middle ; fifth segment with black hairs. 

 Antennjf entirely black, apex truncate, the corners of the truncation 

 rounded. Legs black, with black pubescence ; spurs black, hind spur of 

 hind tibia larger than the other, and somewhat bent. Wings dark fuligi- 

 nous, with hyaline patches on the third transverso-cubital and second 

 recurrent nervures; venation resembling that of ^. thoracica, wsLi./uhnda, 

 except that the first recurrent nervure joins the second submarginal cell 

 almost at its apex. 



Hab. — Mesilla Park, New Mexica, at flowers of Larrea tridentata, 

 May g, 1900. 



Epeolus occidentalism Cresson, var. segregatus, n. van 



^ . — Differs from typical occidental is from Colorado, received from 

 Mr. Fox, as follows : Spurs of four hind tibiae pale brownish, only the 

 minutely ciliate margins black; tegulae deep orange-ferruginous, shining and 

 distinctly punctured ; the two longitudinal pale ochreous stripes on meso- 

 thorax narrow, very well defined, not reaching the front margin ; marginal 

 cell shorter and broader; wings grayish, not yellowish; light band at 

 apex of first abdominal segment narrowly interrupted in the middle; apical 

 plate of abdomen subtruncate ; second and third ventral segments with 

 appressed white hair-bands. The first joint of flagellum is ferruginous 

 beneath. 



9 . — Similar to the ^ . Scape and first two joints of flagellum 

 ferruginous beneath ; longitudinal stripes on mesothorax subclavate, and 

 attaining the anterior margin ; scutellum ferruginous ; all the abdominal 



