3il 



THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTOEY. 



[EIGHTH SERIES.] 

 No. 83. NOVEMBER 19U. 



XLIIT. — Descriptions and Records of Bees. — LXIII. 

 By T. D. A. CocKERELL, University of Colorado. 



Melissodes helianthophila, sp. n. 



^ . — Length about 10*5 mm., flagellum 8'5 ram. 



Black, form of ilf. auri(jenia\ head and tliorax with white 

 hair, faintly tinged with yellowish except on mesotliorax ; 

 disc of scutellum with rather sliort fuscous hair ; eyes liglit 

 gi-eeu ; clypeus light lemon-yellow, except a black spot on 

 each side, and usual dark lower ^A^q ; la brum with about 

 the middle third yellow, the rest black ; mandibles with no 

 yellow spot ; antenna? very long, flagellum clear fulvous 

 beneath and strongly blackened above ; third joint very 

 short; mesotliorax and scutellum shiuiug, sparsely punc- 

 tured ; teguhe piceous, witli white luiir. Wings hyaline, 

 nervures subfuscous. Legs with white hair, orange ferrugi- 

 nous on inner side of tarsi ; small joints of tarsi ferruginous. 

 Abdomen with thin white hair, forming very obscure bands ; 

 on apical part of first segment, and disc of second, is au 

 admixture of short fuscous hair, only visible in lateral view ; 

 hind margins of segments broadly hyaline (the first nar- 

 rowly), the junction of the hyaline with the black reddened ; 

 subapical spiues black. 



Hab. Boulder, Colorado, at flowers of Helianthus lenti- 

 cularis, June 16, 1914 [CockertU). 



Ann. cf- Mag. S. Hint. Ser. 8. Vol. xiv. 'lo 



