L. Packer, “A new socially parasitic Braunsapis (Hymenoptera: Apidae: Xylocopinae: Allodapini) from Vietnam, with a key to female socially parasitic Braunsapis in Asia”, J. Melittol., no. 79, pp. 1–9, May 2018, doi: 10.17161/jom.v0i79.6742.