Choerades marginata is a species of robber fly (Asilidae: Laphriinae) found in Europe.
Distribution and habitat This species is present in most of Europe (Albania, Austria, Belgium, British Islands, European Russia, Czech Republic, Denmark, Finland, France, Germany, Hungary, Italy, Norway, Poland, Romania, Slovakia, Sweden, Switzerland, The Netherlands and former Yugoslavia).Fauna europaea These robber flies mainly inhabit spruce and beech forest and hedge rows.
Description Choerades marginata can reach a body length of about and a wings length of .J.K. Lindsey Ecology of Commanster In males the first antennal segment is about 1.8 - 2.1 times as long as the second one, while in female is 3 times longer. The sides of thorax (pleura) and the humeral callus are distinctly tomentose and scutum has only few, normal hairs. The lateral sclerites (mesopleuron) have a greyish-brown tomentum, with sparse yellow and black hairs all over. Tergites and legs are entirely black. In males the face usually shows yellow hairs above the facial gibbosity, tergites have yellow hair at the sides and the last tergite has a straight, hind margin. Fritz Geller-Grimm Robber flies of Germany - Identification key to the Choerades-species Fritz Geller-Grimm & M. J. Smart Provisional key to the Central European species of the genus Choerades Walker Seguy, E., (1920)Faune de France Faune n° 17 Diptères Asilidae. 188 p., 389 fig Lechevalier editions (Paris: Éditions Faune de France) Oldroyd, H., 1969 Diptera Brachycera: Tabanoidea and Asiloidea (Handbooks for the Identification of British Insects 9/4) Royal Entomological Society, London. Majer,D.M. European Asilidae, in Papp L. & Darvas B. (eds.), Contributions to a manual of Palaearctic Diptera, volume 2 Nematocera and Lower Brachycera. Science Herald, Budapest (Hongrie), 1997, pp.549-567 van den Broek, R., Schulten, A., Wouwen N.(traducteur), Field Guide to the Robberflies of the Netherlands and Belgium, Éditions Jeugdbondsuitgeverij, 2017, 136 pages, (ISBN 9789051070545) Danny Wolff, Markus Gebel and Fritz Geller-Grimm: The Robber Flies of Germany: Discovering - Observing - Identifying . Quelle & Meyer, Wiebelsheim 2018, ISBN 978-3-494-01733-4
Biology Adults can be found from May to September. They prey on other flies.
References
Joachim Haupt, Hiroko Haupt: Fliegen und Mücken. Beobachtung, Lebensweise. 1.. Auflage. Naturbuch-Verlag, Jena und Stuttgart 1995, . External links Geller Grim Robberflies of Germany Images representing Choerades marginatus