Andrena (Hoplandrena) trimmerana (KIRBY, 1802)
- Amiet, F., Herrmann, M., Müller, A. and Neumeyer, R. 2010. Apidae 6. Andrena, Melitturga, Panurginus, Panurgus. Fauna Helvetica, CSCF, SEG.
- Baldock, D. 2014. A provisional list of the wasps and bees of Mallorca, Balearic Islands, Spain (Hymenoptera aculeata: Chrysidoidea, Scolioidea, Vespoidea, Apoidea) . Entomofauna 35(16): 333-404.
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Bogusch, P., Vepřek, D., Udržal, R., Dvořák, L. and J. Straka. 2009. Faunistic records from the Czech Republic – 283 . Klapalekiana 45: 247–254.
- Else, G.R. & Edwards, M. 2018. Handbook of the Bees of the British Isles. Ray Society, London.
- Falk, S. 1991. A review of the scarce and threatened bees, wasps and ants of Great Britain. Research and Survey in Nature Conservation 35: 1-344.
- Farkac, J., Král, D. and Škorpík, M. 2005. List of threatened species in Czech Republic. Invertebrates. Available at: http://www.nationalredlist.org/site.aspx?&species=18217&pageid=116.
- Fitzpatrick, U., Murray, T.E., Byrne, A., Paxton, R.J. and Brown, M.J.F. 2006. Regional red data list of Irish Bees. National Parks and Wildlife Service (Ireland) and Environment and Heritage Service (N. Ireland).
- Grace, A. 2010. Introductory Biogeography to Bees of the Eastern Mediterranean and Near East. Bexhill Museum, Sussex, U.K.
- Gusenleitner, F. and Schwarz, M. 2002. Weltweite Checkliste der Bienengattung Andrena mit Bemerkungen und Ergänzungen zu paläarktischen Arten (Hymenoptera, Apidae, Andreninae, Andrena). Entomofauna, Supplement 12: 1-280.
- Kocourek, M. 1966. Prodromus der Hymenopteren der Tschechoslowakei. Pars 9: Apoidea, 1. Acta Faunistica Entomologica Musei Nationalis Pragae 12(2): 1-123.
- Nieto, A., Roberts, S.P.M., Kemp, J., Rasmont, P., Kuhlmann, M., García Criado, M., Biesmeijer, J.C., Bogusch, P., Dathe, H.H., De la Rúa, P., De Meulemeester, T., Dehon, M., Dewulf, A., Ortiz-Sánchez, F.J., Lhomme, P., Pauly, A., Potts, S.G., Praz, C., Quaranta, M., Radchenko, V.G., Scheuchl, E., Smit, J., Straka, J., Terzo, M., Tomozii, B., Window, J. and Michez, D. 2014. European Red List of bees. Luxembourg: Publication Office of the European Union.
- Osytshnjuk, A.Z. 1977. Fauna of the Ukraine. Vol 12 Bees [Apoidea]. No. 5. Family Andrenidae. Naukova Dumka, Kiev.
- Osytshnjuk, A.Z., Romasenko, L., Banaszak, J. and Motyka, E. 2008. Andreninae of the Central and Eastern Palaearctic. Part 2. Polish Entomological Society.
- Peeters, T.M.J., I.P. Raemakers & J. Smit 1999. Voorlopige atlas van de Nederlandse bijen (Apidae). European Invertebrate Survey Nederland, Leiden, 230 pp.
- Tomozii, B. & Radchenko, V. 2015. Andrena trimmerana. The IUCN Red List of Threatened Species 2015: e.T19198930A21313596. Downloaded on 04 October 2017.
- Vázquez Pardo, F.M. 2009. Revisión de la familia Orchidaceae en Extremadura (España) . Folia Botanica Extremadurensis 3: 5-362.
- Westrich, P. 1989. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.