Records of Bees. GGl 



Illinois, I find that the Atlantic coast form has evidently 

 dusky win^s, while that from Illinois has them very clear, 

 with a light amber stij,m]a. The first of these is the true 

 jrrovanrlieii ; the second may be regarded as a subspecies, 

 H. provancheri nearcticus (Vachal). Vachal in describing 

 nearcticus does not mention the colour of the wings, but he 

 compares it with H. agilis, of which he h:is just said "aile 

 liyaline a uervurcs jaunes " ; and as he cites specimens from 

 Illinois, I will designate this as the type locality. It is only 

 with ditHeulty that this species can be separated from tiic 

 European H. tumulurutn (L.), the jjrincipal characters being 

 the more or less reddish or testaceous trochanters of the 

 male. 



Halictus albipmniSy Rohertson. 

 Males; \Yoods Hole, Mass. [Eleth Caltell). 



Halictus arcuatus gulosus, subsp. n. 



? . — Length about 8^ mm., anterior wing 7. 



Very robust, the abdomen very broad at base. Compared 

 witli H. arcuatus, Rob. (Illinois specimen received from 

 Robertson), it is much larger, with darker tegulas and wings. 

 The apical truncation of the metathorax is well detiued, but 

 the insect cannot be confused with H. truncatus, Rob., on 

 account of the almost simple hind spurs and the distinctly 

 though sparsely punctured first abdominal segment. It is 

 separated from H. discus, Smith, by the absence of distinct 

 impunctate areas on scutellum, the large stigma and the 

 minutely punctured abdomen. From H. arcuatus parisus, 

 Lovell, it is known by the very distinct though linear testa- 

 ceous hind margins of the abdominal segments and the 

 coarser rugse of the metathoracic enclosure. 



Hab. Woods Hole, Massachusetts, July 1911 (CockereU). 



It seems probable that there are several closely allied 

 species related to arcuatus, but until we know more about 

 them, it will do no harm to treat parisus and gulosus as sub- 

 species only. H. crassus, V'achal, appears to be a synonym of 

 aj'cuatus. 



Halictus tardus, Cresson. 



South Fork of Eagle Creek, New Mexico, at flowers of 

 Sicyos parvijlora, AYilld., prox. 8000 ft., Aug. 18 (C. H. T. 

 Townsend). 



