Hylaeus tardus, Taxa Only, Exact Match: 2 Treatments

Hylaeus (Hylaeus) tardus			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 : 313-314	313-314
Hylaeus (Hylaeus) tardus			Proshchalykin, Maxim Yu. & Dathe, Holger H., 2021, New and little-known bees of the genus Hylaeus Fabricius, 1793 (Hymenoptera, Colletidae) from the Caucasus region, Journal of Hymenoptera Research 84, pp. 169-185 : 169	169