Chrysotoxum festivum explained

Chrysotoxum festivum is a species of hoverfly.^[1]

Identification

External imagesFor terms see Morphology of Diptera
Wing length 8·25–12 mm. Wing with a small, square, dark spot. Thorax with two grey longitudinal stripes. Katepisternum normally with yellow spot. Apical antennomere shorter than antennomeres 1 and 2 together.

Keys and accounts

• Coe R.L. (1953) Syrphidae ^[2]
• Van Veen, M. (2004) Hoverflies of Northwest Europe ^[3]
• Van der Goot,V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux^[4]
• Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to USSR insects. Diptera ^[5]

Distribution

Palaearctic Fennoscandia South to Iberia and the Mediterranean basin. Ireland eastwards through Europe into Greece, Turkey and European Russia then through Siberia to the Pacific coast. Japan. North India.^[6]

Biology

Habitat :Deciduous woodland clearings and open areas in scrub woodland. Grassland with scrub.^[7] Flowers visited include white umbellifers, Calluna, Chaerophyllum, Cirsium arvense, Euphorbia, Galium, Hieracium, Hypochoeris, Narthecium, Origanum, Potentilla erecta, Ranunculus, Rosa rugosa, Rubus idaeus, Sambucus nigra, Senecio, Solidago canadensis and Solidago virgaurea.^[8]

The flight period is May to September, with peaks in June and August.

External links

• Biolib

Notes and References

1. Book: Stubbs, Alan E. . Falk, Steven J.. 1983 . British Hoverflies: An Illustrated Identification Guide. 253, xvpp . British Entomological & Natural History Society.
2. Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London.pdf
3. Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.
4. 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.
5. Bei-Bienko, G.Y. & Steyskal, G.C. (1988a) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. .
6. [Fauna Europaea]
7. Speight . M.C.D. . 2011 . Species accounts of European Syrphidae (Diptera). Syrph the Net, the Database of European Syrphidae . 65 . 285pp .
8. de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.