Ferreola diffinis, Taxa Only, Exact Match: 2 Treatments

Ferreola diffinis			Madl, Michael, Ockermüller, Esther & Zettel, Herbert, 2021, Aktualisierter Katalog der Pompilidae (Hymenoptera, Vespoidea) Österreichs, Linzer biologische Beiträge 53 (2), pp. 811-900 : 886	886
Ferreola diffinis			Schmid-Egger, Rnold Christian, 2018, New species of Ferreola L, 1845 and Eoferreola A, 1935 with key to Ferreola species from the Palaearctic region (Hymenoptera, Pompilidae), Linzer biologische Beiträge 50 (1), pp. 389-412 : 399-402	399-402