Bombus neoboreus Sladen, 1919
Scientific Name: Bombus neoboreus Sladen, 1919
Common Name: Bombus neoboreus
Bombus strenuus Cresson, 1863: 102 [♀, ♂]. Preoccupied, not Apis strenuus Harris, 1776 (= Bombus lapidarius (Linnaeus, 1758)).
Lectotype ♀ (queen), designated by Cresson (1916: 131). CANADA, "Hudson Bay Territory" [ANSP no. 2172].
Bombus neoboreus Sladen, 1919: 28 [♂, ♀].
Lectotype ♀ (queen), designated by Milliron (1973: 110). CANADA, Nunavut [originally listed as Northwest Territories], Bernard harbour, 25 June 1915, by F. Johansen  [CNC no 2663].
Bombus neoboreus (strenuous) Kearns and Thomson, 2001: 97. Lapsus of Bombus strenuus Cresson, 1863.
Taxonomic Notes: Milliron (1973: 108) synonymised B. neoboreus Sladen under Megabombus strenuus (Cresson), presumably not realizing that the latter was a preoccupied name.
Diagnosis: The female of Bombus neoboreus Sladen is one two species of Alpinobombus in North America with the shorter malar space (i.e., < 1.5 x longer than broad), which is shared with B. polaris Curtis, 1835; females of B. kirbiellus Curtis, B. kluanensis Williams and Cannings, , and B. natvigi Richards all have the malar space > 1.5 x longer than wide. The female of B. neoboreus has the outer surface of the corbicula of hind tibia shiny and smooth, with tergum 1-3 usually with extensive pale pubescence (may be partially black medially on tergum 1), while B. polaris usually has tergum 3 black, or with pale hairs intermixed medially and/or posteriorly.
Cresson ET (1916) The Cresson types of Hymenoptera. Memoirs of the American Entomological Society 1: 1-141.
Cresson ET (1863) List of the North American species of Bombus and Apathus. Proceedings of the Entomological Society of Philadelphia 2: 83-116.
Milliron HE (1973) A monograph of the western hemisphere bumblebees (Hymenoptera: Apidae; Bombinae). II. The genus Megabombus subgenus Megabombus. Memoirs of the Entomological Society of Canada 89: 81-237. https://doi.org/10.4039/entm10589fv
Kearns CA, Thomson JD (2001) The Natural History of Bumblebees. A Sourcebook for Investigation. University Press of Colorado, Boulder. xiv + 130 pp.
Sladen FWL (1919) The wasps and bees collected by the Canadian Arctic Expedition, 1913‒18. In: Report of the Canadian Arctic Expedition, 1913‒18. Vol. III. Insects. FA Acland, Printer to the King, Ottawa, pp. 25G‒35G.
Crop Preference: Not Available
Non Crop Preference: Not Available
Distribution: Alaska, British Columbia, Northwest Territories, Nunavut, Yukon
Ecozone: Arctic, Boreal Cordillera, Montane Cordillera, Taiga Cordillera, Taiga Plains, Taiga Shield