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
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