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Colletes wilmattae Cockerell, 1904


Scientific Name: Colletes wilmattae Cockerell, 1904

Common Name: Wilmatte's Plasterer Bee


Colletes wilmattae Cockerell, 1904: 14 [♀].

     Holotype ♀. USA, New Mexico, Pecos, 9 Aug 1903, by T.D.A and W.P. Cockerell [CAS no. 15580].


Taxonomic notes: The ♂ was described by Stephen (1954: 354).

Biology: Swenk (1925: 5) indicated that this species was oligolectic on Petalostemum. Stephen (1954: 357) indicated that it likely has one generation per year.

Distribution in Canada: Stephen 1954 [MB]; Hurd 1979 [MB]; Romankova 2003 [ON]; Sheffield et al. 2014 [MB]; Gibbs et al. 2023 [MB]; Onuferko et al. 2023 [SK].


Cockerell TDA (1904) Records of American bees. The Canadian Entomologist 36(1): 13-14.

Hurd PD (1979) Superfamily Apoidea. In: Krombein KV, Hurd Jr PD, Smith DR, Burks BD (Eds) Catalog of Hymenoptera in America North of Mexico. Smithsonian Institution Press, Washington, 2735 pp.

Romankova T (2003) Bees of the genus Colletes of Ontario (Hymenoptera, Apoidea, Colletidae). Journal of the Entomological Society of Ontario 134: 91-106.

Sheffield CS, Frier SD, Dumesh D (2014) The bees (Hymenoptera: Apoidea, Apiformes) of the Prairies Ecozone, with comparisons to other grasslands of Canada. In: Giberson DJ, Cárcamo HA (Eds) Arthropods of Canadian Grasslands (Volume 4): Biodiversity and Systematics Part 2. 4. Biological Survey of Canada, Ottawa, 479 pp. [ISBN 978-0-9689321-7-9].

Stephen WP (1954) A revision of the bee genus Colletes in America north of Mexico (Hymenoptera Colletidae). University of Kansas Science Bulletin 36: 149-527.

Swenk MH (1925) Two new bees of the genus Colletes, oligotropic upon Petalostemum. American Museum Novitates 186: 1-9.

Gibbs J, Hanuschuk E, Miller R, Dubois M, Martini M, Robinson S, Nakagawa P, Sheffield CS, Onuferko T (2023) A checklist of the bees (Hymenoptera: Apoidea) of Manitoba, Canada. The Canadian Entomologist 155: E3.

Onuferko TM, Buck M, Gibbs J, Sokoloff PC (2023) Asymmetric responses by bees and aculeate wasps to dune stabilisation across the southern Canadian prairies Insect Diversity and Conservation 16:

Sociality: Solitary
Nesting: Ground
Pollen Specialization: Narrow Oligolecty
Wintering Stage: Mature Larva

Crop Preference: Not Available
Non Crop Preference: Dalea candida, Dalea sp.

Distribution: Manitoba
Ecozone: Prairie

Distribution Map