Dathe, H. H. (2011). Studies on the systematics and taxonomy of the genus Hylaeus F. (7) Indialaeus subgen. nov., a new subgenus of Hylaeus from the Oriental region (Hymenoptera: Anthophila, Colletidae). Beiträge zur Entomologie. 61(2): 243-258.
Studies on the systematics and taxonomy of the genus Hylaeus F. (7) Indialaeus subgen. nov., a new subgenus of Hylaeus from the Oriental region (Hymenoptera: Anthophila, Colletidae)