Auteur(s)	Dewulf, A. & Praz, C.
Jaar	2014
Titel	Megachile cressa. The IUCN Red List of Threatened Species 2014: e.T19199706A50137978. http://dx.doi.org/10.2305/IUCN.UK.2014-3.RLTS.T19199706A50137978.en. Downloaded on 09 April 2019.

• Megachile (Chalicodoma) cressa