Colletes squamulosus Noskiewicz, 1936
- Kuhlmann, M. 2013. Colletes squamulosus. The IUCN Red List of Threatened Species 2013: e.T13307743A13309603. Downloaded on 25 October 2016.
- Kuhlmann, M., Ascher, J.S., Dathe, H.H., Ebmer, A.W., Hartmann, P., Michez, D., Müller, A., Patiny, S., Pauly, A., Praz, C., Rasmont, P., Risch, S., Scheuchl, E., Schwarz, M., Terzo, M., Williams, P.H. et al. 2012. Checklist of the Western Palaearctic bees: http://westpalbees.myspecies.info. Available at: http://westpalbees.myspecies.info. (Accessed: 21st November 2017).
- Mavromoustakis, G.A. 1948. XL.—On the bees (Hymenoptera Apoidea) of Cyprus.—Part I, Annals and Magazine of Natural History, 12:1. pp.541-587.