J. de Rond, “Anteon albidicolle, Gonatopus albosignatus and Gonozius distigmus distigmus found along the Dutch coast and reintroduced as good species (Hymenoptera: Dryinidae, Bethylidae)”, Submitted.

J. D. Alfken, “Ein weiterer Beitrag zur Kenntnis der Bienenfauna von Palästina mit Einschluss des Sinai-Gebirges”, Deutsche Entomologische Zeitschrift, vol.  1938, pp.  418-433, Submitted.

J. C. Felton, “A note on the parietum group of the genus Ancistrocerus Wesmael (Vespoidea: Eumenidae)”. Submitted.

A. R. Murray, “Scolt Head Invertebrate Survey, 29th July-5th August 2006 (for Natural England)”, Submitted.

G. R. Else and Edwards, M., Handbook of the Bees of the British Isles. 2018.

D. G. Notton and Norman, H., “Hawk’s-Beard Nomad Bee, Nomada facilis, New to Britain (HYMENOPTERA: APIDAE)”, British Journal of Entomology and Natural History, vol. 30, pp. 201 - 214, 2017.

G. R. Else, Bolton, B., and Broad, G. R., “Checklist of British and Irish Hymenoptera - aculeates (Apoidea, Chrysidoidea and Vespoidea)”, Biodiversity Data Journal, vol. 4: e8050, no. Checklist of British and Irish Hymenoptera - aculeates (Apoidea, Chrysidoidea and Vespoidea). Biodiversity Data Journal 4: e8050, pp. 1-188, 2016.

T. Wood and Baldock, D., “Chrysis terminata Dahlbohm, 1854 from Farnham Heath, Surrey”, BWARS Newsletter, vol. Spring 2016, pp. 26-27, 2016.

D. G. Notton, Tang, C. Q., and Day, A. R., “Viper’s Bugloss Mason Bee, Hoplitis (Hoplitis) adunca, new to Britain (Hymenoptera, Megachilidae, Megachilinae, Osmiini)”, British Journal of Entomology & Natural History, vol. 29, no. September, pp. 134-143, 2016.

P. Paukkunen, Berg, A., Soon, V., Ødegaard, F., and Rosa, P., “An illustrated key to the cuckoo wasps (Hymenoptera, Chrysididae) of the Nordic and Baltic countries, with description of a new species”, ZooKeys , vol. 548, pp. 1-116, 2015.

P. Boer, Mieren van de Benelux. ‘s Graveland. : Jeugdbondsuitgeverij., 2015.

N. P. Jones and Cheeseborough, I., A Provisional Atlas of the bees, wasps and ants of Shropshire. Telford: Field Studies Council, 2014.

V. Soon, Budrys, E., Orlovskyte, S., Paukkunen, J., Ødegaard, F., Ljubomorov, T., and Saarma, U., “Testing the validity of Northern European species in the Chrysis ignita species group (Hymenoptera: Chrysididae) with DNA Barcoding”, Zootaxa : , vol. 3786, no. (3), pp. 301–330, 2014.

M. A. Archer, The Vespoid Wasps (Tiphiidae, Mutillidae, Sapygidae, Scoliidae and Vespidae) of the British Isles, vol. 6 Part 6. St Albans: Royal Entomological Society, 2014, p. 82.

M. G. Telfer, “Invertebrate survey of lagoons at Orford Ness”, Version 2, 2013.

K. Rezkova, Žáková, M., Žáková, Z., and Straka, J., “Analysis of nesting behavior based on daily observation of Andrena vaga (Hymenoptera: Andrenidae)”, Journal of Insect Behavior, vol. 25, pp. 24-47, 2012.

N. Owens and Richmond, D., Bumblebees of Norfolk, vol. 14. Norfolk & Norwich Naturalists' Society, 2012, p. 72.

A. Knowles, “The Bumblebees of Suffolk”, Transactions of the Suffolk Naturalists' Society, vol. 47, 2012.

S. B., “Clarifying naming and identification of the outdoor species of the ant genus Tapinoma Forster, 1850 (Hymenoptera: Formicidae) in Europe north of the Mediterranean region with description of a new species”, Myrmecological News , vol. 16, pp. 139-147, 2012.

T. M. J. Peeters, Nieuwenhuisen, H., Smit, J., van der Meer, F., Raemakers, I., Heitmans, W. R. B., van Achterberg, K., Kwak, M., Loonstra, A. J., de Rond, J., Roos, M., and Reemer, M., De Nederlandse Bijen (Hymenoptera: Apidae s.l.), vol. 11. Leiden: Naturalis Biodiversity Centre, 2012, p. 544.

J. S. Ascher and Pickering, J., “ Discover Life bee species guide and world checklist (Hymenoptera: Apidae: Anthophila)”, 2012. [Online]. Available: http://www.discoverlife.org/mp/20q?guide=Apoidea_species.

C. Collingwood, “The Formicidae of North Europe”, Entomologist's Monthly Magazine, vol. 148, pp. 1-13, 2012.

Č. K. and J., S., “Identification of 37 microsatellite loci for Anthophora plumipes (Hymenoptera: Apidae) using next generation sequencing and their utility in related species”, European Journal of Entomology, vol. 109, pp. 155-160., 2012.

C. Steinmeyer, Pennings, P. S., and Foitzik, S., “Multicolonial population structure and nestmate recognition in an extremely dense population of the European ant Lasius flavus”, Insectes Sociaux, vol. 59, no. 4, pp. 499-510, 2012.

W. D. J. Kirk and Howes, F. N., Plants for Bees. IBRA, 2012.