@article{Murao2021,
  author    = {Ryuki Murao},
  title     = {Redefinition of the sexstrigatus group of Lasioglossum (Hemihalictus) Cockerell, 1897 (Hymenoptera, Apoidea, Halictidae), with a revision of Japanese species},
  journal   = {European journal of taxonomy},
  volume    = {2021},
  number    = {763},
  pages     = {1 -- 74},
  doi       = {10.5852/ejt.2021.763.1463},
  year      = {2021},
}