Philhelius citrofasciatus
{{Short description|Species of fly}}
{{Speciesbox
| image = Smalkilblomfluga0094.jpg
| image_caption = Male
| taxon = Philhelius citrofasciatus
| authority = (De Geer, 1776)
| synonyms = *Musca citrofasciata De Geer, 1776
- Xanthogramma citrofasciatum (De Geer, 1776)
}}
Philhelius citrofasciatus is a species of hoverfly found in grasslands from Ireland to western Siberia. The larvae live in Lasius ant colonies where they feed on the aphids tended by the ants.{{cite book|author1=Stubbs, Alan E. |author2=Falk, Steven J. |name-list-style=amp |year=1983 |title=British Hoverflies: An Illustrated Identification Guide|pages=253, xvpp |publisher=British Entomological & Natural History Society}}{{cite journal | last = Speight | first = M.C.D. | year = 2011 | title = Species accounts of European Syrphidae (Diptera)| journal = Syrph the Net, the Database of European Syrphidae | volume = 65 | pages = 285pp | url= http://www.diptera.info/downloads/StN_Species_Accounts_Glasgow_2011.pdf }} Prior to 2018, it was known under the genus name Xanthogramma, a junior synonym.{{cite journal|pmid=29689947 |date=2018 |last1=Evenhuis |first1=N. L. |title=Nomenclatural studies toward a World List of Diptera genus-group names. Part VI: Daniel William Coquillett |journal=Zootaxa |volume=4381 |issue=1 |pages=1–95 |doi=10.11646/zootaxa.4381.1.1 }}
Description
[http://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=510637 External images]
For terms see Morphology of Diptera
Wing length 6·5–10·25 mm. Legs yellow coxae and trochanters black. Femora and tibiae 3 completely pale. Yellow marks on tergite 2 linear (not equilateral triangles). Tergites 2–4 with subequal yellow marks.
See references for determination.Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.[http://home.hccnet.nl/mp.van.veen/syrphidae/boekhoverflies.html 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. {{ISBN|81-205-0080-6}}.Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. [http://www.royensoc.co.uk/sites/default/files/Vol10_Part01.pdf pdf]
Distribution
Palearctic. South Norway to Iberia. Ireland East through Central Europe and South Europe into European Russia and Yugoslavia and the Caucasus, then to Siberia.Fauna EuropaeaPeck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
References
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Category:Insects described in 1776
Category:Taxa named by Charles De Geer
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