Brown, G. (2008). Umbothynnus, a newly recognised genus for the Rhagigaster alexius Guérin group of species (Hymenoptera: Tiphiidae: Thynninae: Rhagigasterini) from northern Australia. Zootaxa, 1933(1), 43–58. https://doi.org/10.11646/zootaxa.1933.1.5