Laphria flava, the bumblebee robberfly, yellow robberfly or yellow assassin fly, is a fly of the Asilidae family.
Features The size of the yellow predators is variable, reaching a body length of 12 to 25 millimeters and are strongly built. They have dense hairs, which are coloured yellow and black making it resemble a bumblebee. The anterior part of the chest is covered with short, yellow hair; the posterior part of the chest has a dense, long hairs of the same colour, which are directed backwards. The back and legs are also hairy. reddish hairs over orange on abdominal tergites 3–7 It is ifficult to distinguish from other Laphria. Wolff, Gebel and Geller-Grimm (2021), ( Majer (1997), van den Broek (1979), Stubbs and Drake (2001) all provide keys, descriptions and illustrations. Older works are also useful eg. Seguy (1920) Seguy, E., (1920)Faune de France Faune n° 17 Diptères Asilidae. 188 p., 389 fig Lechevalier editions (Paris: Éditions Faune de France)<ref>(Oldroyd (1969)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
References
Literature Heiko Bellmann: Insekten. 2nd edition, Steinbachs Naturführer, Eugen Ulmer Verlag, 2010, S. 145, Heiko Bellmann: Der neue Kosmos Insektenführer. Franckh-Kosmos, Stuttgart 2009, S. 228,
External links Gelbe Mordfliege Steckbrief bei Insektenbox.de