Jakub Straka, Petr Janšta, Jan Farkač & Vladimír Vrabec
Faunistic records from the Czech Republic – 268. Hymenoptera: Apocrita: Chalcidoidea: Mymaridae, Torymidae, Apoidea: Crabronidae, Megachilidae, Chrysidoidea: Chrysididae
Klapalekiana 44(3–4): 299-301