COELHO, B. W. T.; ENGEL, M. S. A new group of species within the bee genus Ruizantheda, with a revised key to the males of the genus (Hymenoptera: Halictidae: Caenohalictini). Zootaxa, Auckland, New Zealand, v. 4415, n. 3, p. 513–532, 2018. DOI: 10.11646/zootaxa.4415.3.6. Disponível em: https://mapress.com/zt/article/view/zootaxa.4415.3.6. Acesso em: 21 apr. 2025.