Neoascia tenur is a Palearctic species of hoverfly.Fauna Europaea
Description
For terms, see Morphology of DipteraWing length 3-5 ·25 mm. Tibiae 1 yellow with the dark ring. Metatarsae 1 yellow with the dark patch, other segments of tarsi 1 yellowish. Females: abdomen not as broad as N. meticulosa. The male genitalia are figured by Barkemeyer & Claussen (1986) Barkemeyer, W. & Claussen, C. (1986) Zur Identitat von Neoascia unifasciata (Strobl 1898): mit einem Schlussel fur die in der Bundesrepublik Deutschland nachgewiesenen Arten der Gattung Neoascia Williston 1886 (Diptera: Syrphidae). Bonn.zool.Beitr., 37: 229-239. Larvae and puparia described and figured by Maibach and Goeldlin (1993) .Maibach, A. & Goeldlin de Tiefenau, P. (1993) Description et clé de détermination des stades immatures de plusieurs espèces du genre Neoascia Williston de la région paléarctique occidentale (Diptera, Syrphidae). Bull.Soc.ent.Suisse, 66: 337-257. See references for determination.Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum Van der Goot, V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. KNNV, Uitgave no.32: 275pp. Amsterdam. Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. .Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London.
The male genitalia are illustrated by Barkemeyer and Claussen (1986) Barkemeyer, W. & Claussen, C. (1986) Zur Identitat von Neoascia unifasciata (Strobl 1898): mit einem Schlussel fur die in der Bundesrepublik Deutschland nachgewiesenen Arten der Gattung Neoascia Williston 1886 (Diptera: Syrphidae). Bonn.zool.Beitr., 37: 229-239.
Distribution Palearctic Fennoscandia South to Iberia and the Mediterranean basin. Ireland east through Europe into Turkey and to European parts of Russia and on to Siberia. Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
Biology
Habitat: Wetlands, flushes and streams in blanket bog, raised bogs, fen, wet grassland, pond and lake margins and along brooks. Flowers visited include Caltha, Cicuta virosa, Filipendula ulmaria, Potentilla erecta, Ranunculus, Salix repens. de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167. The flight period is April to September. The larva is sub-aquatic within stem sheaths of Typha and other water plants.
References
External links
Images and further information at BoldSystems