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), pp. 1-74. doi: 10.5852/ejt.2021.763.1463.