P. Girish Kumar, J.M. Carpenter & P. M. Sureshan. Additions to the knowledge of the genus Allorhynchium van der Vecht from the Indian subcontinent with the description of a new species from Kerala (Hymenoptera: Vespidae: Eumeninae) (англ.) // Halteres : Журнал. — 2016. — Vol. 7. — P. 29—34. — ISSN2348-7372.