MÜLLER, A.

Palaearctic Protosmia bees of the subgenus Chelostomopsis (Megachilidae, Osmiini): biology, taxonomy and key to species

. Zootaxa, Auckland, New Zealand, v. 4227, n. 2, p. 287–294, 2017. DOI: 10.11646/zootaxa.4227.2.9. Disponível em: https://mapress.com/zt/article/view/zootaxa.4227.2.9. Acesso em: 21 apr. 2025.