Bees of the Hemihalictus series of Lasioglossum Curtis (Hymenoptera, Halictidae) in South Korea Author Murao, Ryuki text Zootaxa 2017 4268 4 451 488 journal article 33026 10.11646/zootaxa.4268.4.1 e9f2bc10-d1ef-4e84-86ca-c6243b97ce80 1175-5326 580871 BFD371ED-AFDE-49E5-9908-797402B08670 The calceatum group Diagnosis. This group is separated from the other Palearctic groups by a combination of the following character states: body black in both sexes; gonostylus of male genitalia located at top of gonocoxite; and male genitalia without ventral retororse lobe.