Müller A, Trunz V.

Palaearctic osmiine bees of the genera Hofferia and Stenoheriades (Megachilidae, Osmiini): biology, taxonomy and key to species

. Zootaxa [Internet]. 2014 Feb. 17 [cited 2025 Apr. 20];3765(2):175–186. Available from: https://mapress.com/zt/article/view/zootaxa.3765.2.5