Kasparek, M. 2021. The bee genus Pseudoanthidium: revision of the subgenus Exanthidium with the description of a new species (Apoidea: Megachilidae). Fragmenta entomologica. 53, 2 (Nov. 2021), 333–346. DOI:https://doi.org/10.13133/2284-4880/525.