Murao, R. 2021. Redefinition of the sexstrigatus group of Lasioglossum (Hemihalictus) Cockerell, 1897 (Hymenoptera, Apoidea, Halictidae), with a revision of Japanese species. European Journal of Taxonomy. 763, 1 (Aug. 2021), 1-74. DOI:https://doi.org/10.5852/ejt.2021.763.1463.