1. Bohart, R.M. & Menke, A.S. (1976) Sphecid Wasps of the World. A Generic Revision. University of California Press, Berkeley. IX + 695 p. [
DOI:10.1525/9780520309548]
2. Cameron, P. (1908) On three undescribed fossorial Hymenoptera (Crabro and Psen) from Borneo. The Entomologist, 41, 242-243. [
DOI:10.5962/bhl.part.10165]
3. Harris, R.A. (1979) A glossary of surface sculpturing. Occasional papers of the Bureau of Entomology of the California Department of Agriculture, 28, 1-31.
4. Leclercq, J. (1963) Crabroniens d'Asie et de Philippines (Hymenoptera Sphecidae). Bulletin & Annales de la Société Royale d'Entomologie de Belgique, 99, 1-82.
5. Leclercq, J. (1994) Hyménoptères Sphécides Crabroniens du genre Piyumoides Leclercq, 1963 du SudEst asiatique. Lambillionea, 94, 517-522.
6. Pulawski, W.J. (2023) Catalog of Sphecidae. Available on: http://research.calacademy.org/ent/catalog_sphecidae [Accessed 13th October 2023]
7. Říha, M. (2005) A new species of the genus Piyumoides Leclercq, 1963 from northern Thailand (Hymenoptera: Crabronidae). Acta Musei Moraviae - Scientiae Biologicae, 90, 243-245.