Pseudoanthidium (Pseudoanthidium) scapulare (Latreille, 1809)
- Baldock, D., Livory, A, Owens, N. 2019. Lists of the wasps and bees of the Balearic Islands, Spain (Hymenoptera: Chrysidoidea, Scolioidea, Vespoidea, Apoidea) with a Discussion of Aculeate Diversity and Endemism in Mediterranean and Atlantic Archipelagos. in prep.
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Banaszak, J. and Dochkova, B. 2014. Bees (Hymenoptera, Apoidea, Apiformes) in the agricultural landscape of Bulgaria: species diversity Journal of Apicultural Science Vol. 58 No. 1 pp. 29-49.
- Gogala, A. 1999. Bee Fauna of Slovenia: Checklist of species (Hymenoptera: Apoidea). Scopolia, 42: 1-79.
- Matache, I & Ban, C. 2006. Family Megahilidae (Hymenoptera: Apoidea) in Dobrogea (Romania). Travaux du Museum NHN “Grigore Antipa” XLIX. pp297-306.
- Müller, A. 1996. Host-plant specialization in western Palearctic Anthidine bees (Hymeoptera: Apoidea; Megachilidae. Ecol. Monographs Vol. 66 No.2 pp.235-257.
- Stanisavljević, L. 2000. Idioekološka studija vrsta Osmia cornuta (Latr.) i O. rufa (L.) (Megachilidae, Hymenoptera) sa posebnim osvrtom na njihov status i značaj kao oprašivača biljaka. Doctoral dissertation [unpublished] Beograd.
- Westrich, P. 1990. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.