502 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



verbesinae ( Cockerell ) . 



Biology: Linsley, 1962. Ent. Soc. Amer. Ann. 55: 161. 



Genus EPEOLOIDES Giraud, p. 1218 



pilosula (Cresson). New England States to Ga., west to Mich., Wis., N. Dak. 

 On flowers of Apocynum, Galax, Houstonia, and Rubus. 

 Noniia compacta Provancher. Syn. by Mitchell, 1962, loc. cit. supra, p. 

 491. 



Genus PTILOTHRIX Smith, Sup. 1, p. 248 



bombiformis (Cresson), changed status. N. J. to Kans., south to Fla. and 

 Tex. On flowers of Cephalanthus, Cirsium, Hibiscus, Ipovioea, 

 Verbena, and Vernonia. Ch. from subsp. to sp. by Mitchell, 1962, 

 loc. cit. supra, p. 240. 

 Emphor bombiformis fuscojubatus Cockerell. Syn. by Mitchell, 1962, loc. 

 cit. supra, p. 240. 



bombiformis fuscojubatus (Cockerell). Syn. of bombiformis (Cresson). 



Genus DIADASIA Patton, pp. 1219-1220 



angusticeps Timberlake. Collecting pollen of Clarkia. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 201. 



australis californica Timberlake. Collecting pollen from Cactaceae, princi- 

 pally Opuntia. 

 Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 201-203. 



consociata Timberlake. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 203, 

 205, pi. 1, fig. 1. 



diminuta (Cresson). Collecting pollen of Sp/iaeraZcea. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 205-211, 

 pi. 2. 



enavata (Cresson). Collecting pollen of Compositae, principally Helianthus. 

 Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol 15: 212, pi. 

 1, fig. 5. 



lutzi lutzi Cockerell. Collecting pollen of Sphaeralcea. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 212-213, 

 pi. 1, fig. 3. 



nigrifrons (Cresson). Collecting pollen of SidaZcea. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 215. 



nitidifrons Cockerell. Collecting pollen of Sphaeralcea. 



Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 215. 



ochracea (Cockerell). Collecting pollen of Sphaeralcea. Delete ref. in syn. to 

 ? Dasiapis olivacea Cockerell. 

 Biology: Linsley and MacSwain, 1957. Wasmann Jour. Biol. 15: 215-217, 

 pi. 1, fig. 4. 



vallicola Timberlake. 



Biology: Hall and Hurd in Linsley and MacSwain, 1957. Wasmann 

 Jour. Biol. 15: 217-218. 



Genus MELITOMA Lepeletier and Serville, pp. 1220-1221 



taurea (Say). Fla. Collects pollen of Ipomoea, but also visits Asclepias, 

 Cirsium, Clitoria, Convolvulus, Hibiscus, and Oenothera. 



Tribe EUCERINI 



Taxonomy: LaBerge, 1957. Amer. Mus. Novitates 1837, pp. 1-44, 42 figs, 

 (gen. reclassification). 



