Hylaeus vulgaris, Taxa Only, Exact Match: 2 Treatments

Hylaeus (Hylaeus) vulgaris			Yu, Maхim & Daтhe, Holger H., 2018, In the footsteps of history: the bees of the genus Hylaeus Fabricius (Hymenoptera, Apoidea: Colletidae) collected by V. I. Roborovsky and P. K. Kozlov in Northwest China (1895 - 1926), Zootaxa 4434 (3), pp. 573-588 : 582	582
Hylaeus (Hylaeus) vulgaris			Dathe, Holger H. & Proshchalykin, Maxim Yu., 2016, The genus Hylaeus Fabricius in Mongolia, an updated species inventory (Hymenoptera: Apoidea, Colletidae), Zootaxa 4121 (4), pp. 351-382 : 373	373