A total of 67 nests of Centris tarsata were obtained from wood trap-nests of different diameters, consisting of a linear series of brood cells built with sand mixed with oil. This species showed a preference for open habitats, since it occurred only in Swamp and Grassland areas and has never been found in the Araucaria forest. Nesting activity was bigger during the hot season, especially in Dec...

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 ...