Jacopo Rossi; Ursula Gamba; Massimo Pinna; Sandra Spagnolo; Cristina Visentin; Alberto Alma (2006). "Hoverflies in organic apple orchards in north-western Italy"(PDF). Bulletin of Insectology. 59 (2). Bologna: Facolta' Di Agraria Universita' Di Bologna. ss. 111-114. ISSN1721-8861. 22 Temmuz 2011 tarihinde kaynağından arşivlendi(PDF). Erişim tarihi: 8 Ocak 2009.
doi.org
Santos Rojo; Keith R. Hopper; M. Angeles Marcos-García (2004). "Fitness of the hover flies Episyrphus balteatus and Eupeodes corollae faced with limited larval prey". Journal Entomologia Experimentalis et Applicata. 81 (1). Springer Netherlands. ss. 53-59. doi:10.1007/BF00187838. ISSN0013-8703.
hccnet.nl
home.hccnet.nl
Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum 7 Şubat 2017 tarihinde Wayback Machine sitesinde arşivlendi.
Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf 4 Ekim 2018 tarihinde Wayback Machine sitesinde arşivlendi.
web.archive.org
Jacopo Rossi; Ursula Gamba; Massimo Pinna; Sandra Spagnolo; Cristina Visentin; Alberto Alma (2006). "Hoverflies in organic apple orchards in north-western Italy"(PDF). Bulletin of Insectology. 59 (2). Bologna: Facolta' Di Agraria Universita' Di Bologna. ss. 111-114. ISSN1721-8861. 22 Temmuz 2011 tarihinde kaynağından arşivlendi(PDF). Erişim tarihi: 8 Ocak 2009.
Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum 7 Şubat 2017 tarihinde Wayback Machine sitesinde arşivlendi.
Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf 4 Ekim 2018 tarihinde Wayback Machine sitesinde arşivlendi.
Santos Rojo; Keith R. Hopper; M. Angeles Marcos-García (2004). "Fitness of the hover flies Episyrphus balteatus and Eupeodes corollae faced with limited larval prey". Journal Entomologia Experimentalis et Applicata. 81 (1). Springer Netherlands. ss. 53-59. doi:10.1007/BF00187838. ISSN0013-8703.
Jacopo Rossi; Ursula Gamba; Massimo Pinna; Sandra Spagnolo; Cristina Visentin; Alberto Alma (2006). "Hoverflies in organic apple orchards in north-western Italy"(PDF). Bulletin of Insectology. 59 (2). Bologna: Facolta' Di Agraria Universita' Di Bologna. ss. 111-114. ISSN1721-8861. 22 Temmuz 2011 tarihinde kaynağından arşivlendi(PDF). Erişim tarihi: 8 Ocak 2009.