Yulia V. Astafurova, Maxim Yu. Proshchalykin (2021)
New and little-known bees of the genus Epeolus Latreille, 1802 (Hymenoptera, Apidae, Nomadinae) from Mongolia.
Journal of Hymenoptera Research84: 11.
DOI: 10.3897/jhr.84.67150
Yulia V. Astafurova, Maxim Yu. Proshchalykin, Ze-Qing Niu, Michael C. Orr, Chao-Dong Zhu (2020)
New and little-known bees of the genus Sphecodes Latreille, 1804 (Hymenoptera, Apoidea, Halictidae) from Southern and South-Western China.
Journal of Hymenoptera Research79: 145.
DOI: 10.3897/jhr.79.57276