Hylaeus duckei, Taxa Only, Exact Match: 2 Treatments

Hylaeus duckei			Zettel, Herbert, Ockermüller, Esther, Schoder, Sabine & Seyfert, Franz, 2022, Zur Verbreitung der Wildbien en (Hymenoptera, Apidae) in Wien, Österreich, Linzer biologische Beiträge 54 (1), pp. 351-396 : 370	370
Hylaeus (Prosopis) duckei			Özbek, Hikmet & Dathe, Holger H., 2020, The bees of the genus Hylaeus FABRICIUS, 1793 of Turkey, with keys to the subgenera and species (Hymenoptera: Anthophila, Colletidae), Beiträge Zur Entomologie = Contributions to Entomology 70 (2), pp. 273-346 : 327	327