References
Episyrphus balteatus © www.gardensafari.net, all rights reserved
Rotheray, G E (1989). Aphid predators. Naturalists’ Handbooks 11, 77 pp.
Mengual, X, Ståhls, G, and Rojo, S (2008). First phylogeny of predatory flower flies (Diptera, Syrphidae, Syrphinae) using mitochondrial COI and nuclear 28S rRNA genes: conflict and congruence with the current tribal classification. Cladistics 24(4): 543–562.
Stubbs, A E (2002). British Hoverflies - An illustrated identification guide. British Entomological and Natural History Society, 469 pp.
Schmid, U (1999): Records of hoverflies on the Mediterranean Sea (Diptera, Syrphidae) (in German) - Volucella 4, 167–170. Stuttgart.
