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Lasioglossum tenax (Sandhose, 1924)


Scientific Name: Lasioglossum tenax (Sandhose, 1924)

Common Name: Alpine Sweat Bee


Halictus (Chloralictus) tenax Sandhouse, 1924: 15 [♀].

     Holotype . USA, Colorado, Longs Peak Inn, Colorado, 25 June [no year provided], by T.D.A. Cockerell [USNM no. 26406].

Halictus (Chloralictus) meritus Sandhouse, 1924: 19 [♀]. Synonymy by Gibbs (2010: 329).

     Holotype ♀. USA, Colorado, Halfway House, Pikes Peak, 30 May [no year provided], by T.D.A. Cockerell, on Fragaria [USNM no. 26412].

*Dialictus disabanci Knerer and Atwood, 1966a: 882 [♀, ♂]. Synonymy by Gibbs (2010: 329).

     Holotype ♀. CANADA, Ontario, Thunder Bay Dist., Pearl, 20 August 1963, by G. Knerer, on Anaphalis [ROM: 83869].


Taxonomic notes: Gibbs (2010: 329; 2011: 196) incorrectly recorded the catalogue number of Halictus meritus Sandhouse, 1924 as 26415.

DNA Barcode Index Number (BIN): BOLD:AAB6998, BOLD:ACU3904

The majority of speciemens assigned to BIN BOLD:AAB6998 are L. tenax, though the BIN also includes L. cattellae (Ellis, 1913) from the eastern United States.

BIN BOLD:ACU3904 includes specimens from BC (CCDB-20946 G04, G06) and Washington State.

Distribution in Canada: Knerer and Atwood 1966 [ON]; Gibbs 2010 [AK, YT, NT, AB, SK, ON, QC, NS, NF]; Sheffield et al. 2014 [SK]; Hicks and Sheffield 2021 [LB]; Gibbs et al. 2023 [MB]; BOLD [NB]; Discover Life [PE].


Gibbs J (2010) Revision of the metallic species of Lasioglossum (Dialictus) in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa 2591: 1-382.

Gibbs J (2011) Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini). Zootaxa 3073: 1-216.

Knerer G, Atwood CE (1966) Additional descriptions in the genus Dialictus Robertson (Hymenoptera: Halictidae). The Canadian Entomologist 98(8): 881-887.

Sandhouse GA (1924) New North American species of bees belonging to the genus Halictus (Chloralictus). Proceedings of the United States National Museum 65: 1-43.

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].

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.

Hicks B, Sheffield C (2021) Native bees (Hymenoptera; Apoidea) collected from Labrador, Canada. Journal of the Acadian Entomological Society 17: 20-24.

Sociality: Solitary
Nesting: Ground
Pollen Specialization: Polylectic
Wintering Stage: Mated Female

Crop Preference: Not Available
Non Crop Preference: Not Available

Distribution: Alaska, Alberta, Labrador, Manitoba, Newfoundland, Northwest Territories, Nova Scotia, Ontario, Quebec, Saskatchewan, Yukon
Ecozone: Boreal Cordillera, Boreal Plains, Boreal Shield, Hudson Plains, Mixwood Plains, Montane Cordillera, Prairie, Taiga Cordillera, Taiga Plains, Taiga Shield, Western Interior Basin