A checklist of the bees (Hymenoptera: Apoidea) of Manitoba, Canada

Abstract We record 392 species or morphospecies of bees (Hymenoptera: Apoidea) for Manitoba, Canada, which is 154 more than reported in 2015 and includes five new generic records since ( Ashmeadiella , Brachymelecta Eucera, Neolarra, Triepeolus ). Thirteen here are Canada: Calliopsis Nomadopsis ) australior Cockerell, Perdita tridentata Stevens, interrupta (Cresson), Diadasia Dasiapis ochracea (Cockerell), Melissodes bidentis Nomada crawfordi fuscicincta Swenk, sphaerogaster xantholepis cf. grindeliae Dianthidium parvum Coelioxys Xerocoelioxys nodis Baker, Megachile Megachiloides dakotensis Mitchell. remove the following from list Manitoba based on re-examination voucher material: Andrena Ptilandrena geranii Robertson, Rhacandrena robertsonii Dalla Torre, Simandrena nasonii Trachandrena ceanothi Viereck, quintilis Lasioglossum Hemihalictus pectoraloides forbesii (Robertson), concinnum (Cresson). propose that alpha paralpha 1921 N. dialpha junior synonyms 1905. arenicola 1912 considered a synonym fervida Smith, 1854. Protandrena albertensis (Cockerell) Neolarra mallochi Michener recognised as valid species. provide additional notes taxonomy, nomenclature, behaviour select list.