Template:Lieftinck, 1962
- Lieftinck, M.A. 1962. Revision of the Indo-Australian species of the genus Thyreus Panzer (=Crocisa Jurine) (Hym., Apoidea, Anthophoridae). Part 3. Oriental and Australian species. Zoologische verhandelingen, (53). 212 pp. Online.