Cerdistus erythrurus is a species of robber fly in the subfamily Asilinae. It is the type species of the genus Cerdistus.
Distribution This species is present in Southern Europe (Austria, Bosnia and Herzegovina, Croatia, France, Greece, Italy, Switzerland and former Yugoslavia).Fauna Europaea
Description Cerdistus erythrurus can reach a body length of about .Galerie-insecte These rather little robber flies are mainly black. Legs are black, with reddish tibiae. In males the modified last abdominal segment supporting the copulatory apparatus (hypopygium) may be partly reddish.
Adults can be found from May to July–August.
References
External links Geller-Grimm, F. (2011) Information on robber flies Diptères du Gard Les insectes Inaturalist