Bees of Canada Logo

Lasioglossum atwoodi Gibbs, 2010


Scientific Name: Lasioglossum atwoodi Gibbs, 2010

Common Name: Atwood's Sweat Bee


Lasioglossum (Dialictus) atwoodi Gibbs 2010: 74 [♀].

     Holotype ♀. CANADA, Ontario, Algonquin P.P., Madawaska Lake, 7–19 June 2007, by E. Proctor [PCYU].


Taxonomic notes: The ♂ is unknown (Gibbs 2010: 74, 2011: 59).

Gibbs (2011: 59) incorrectly indicated that this species was decribed on page 73, though the name and description appear on page 74.

DNA Barcode Index Number (BIN): BOLD:ABZ0652

This BIN is shared with L. ephialtum, L. fattigi, L. marinense, L. pacatum, L. planatum, L. sagax, L. subviridatum, and L. taylorae.

Distribution in Canada: Provancher 1888 [QC, identifided as Halictus creberrimus Smith, see Sheffield and Perron 2014]; Gibbs 2010 [ON, NS], 2011 [ON, NS].


Biology: Little is known about the biology of this species (described in 2010), though it is likely eusocial like most other Lasioglossum (Dialictus) Robertson, 1902. Gibbs (2010) indicated that this species was uncommon.

Extent of Occurrence (EOO) in Canada ( 115,193 km2 km2

Index of Area of Occupancy (IAO) in Canada ( 96 km2

Body length: ♀ 5.7 mm ♂ 4 mm


Provancher L (1888) Additions et Corrections au Volume II de la Faune Entomologique du Canada Traitant des Hyménoptères. Quebec, Darveau.

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.

Sheffield C, Perron J (2014) Annotated catalogue of the bees described by Léon Provancher (Hymenoptera: Apoidea). The Canadian Entomologist 146 (2): 117-169.

Sociality: Presumed Eusocial
Nesting: Ground
Pollen Specialization: Polylectic
Wintering Stage: Mated Female

Crop Preference: Not Available
Non Crop Preference: Lysimachia terrestris, Rubus sp.

Distribution: Nova Scotia, Ontario, Quebec
Ecozone: Atlantic Maritime, Boreal Shield, Mixwood Plains

female; lateral view
female; lateral view

Distribution Map