Portevinia maculata

Portevinia maculata
	Portevinia maculata (male)
	Portevinia maculata (female)
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Eristalinae
Tribe:	Rhingiini
Genus:	Portevinia
Species:	P. maculata
Binomial name
	Portevinia maculata; (Fallén, 1817)

Portevinia maculata, also known as the Ramsons hoverfly, is a European species of hoverfly. The adults can be found around Allium species when the plants are in flower (May–June). The larvae tunnel through and overwinter in the bulbs of this plant.[1]

Description

External images For terms see Morphology of Diptera
Tergites 2-4 with grey spots. Face very concave for upper two-thirds. Antennae red. See references for determination[2][3][4][5]

Distribution

Palearctic Southern Norway to North Spain. Ireland East into Northern Europe and Central Europe as far as Liechtenstein, Austria and northern Italy. [6][7]

It can be found in the following countries: Austria, Belgium, Czechia, Denmark, France, Germany, Ireland, Italy, Liechtenstein, Montenegro, Netherlands, Norway, Poland, Romania, Slovakia, Spain, Sweden, Switzerland, Ukraine and the United Kingdom.[8]

Habitat in Ireland

Habitat

Portevinia maculata lives in deciduous woodland glades where Allium ursinum or Allium triquetrum also grow.[9] It can be found at elevations up to 2000 metres above sea level.[8]

References

Stubbs, Alan E.Carl Fredrik Fallen & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. p. 267, xvpp.
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. ISBN 81-205-0080-6.
Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf
Fauna Europaea
Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
"Ramson's Hoverfly". www.iucnredlist.org. 2021-02-22. Retrieved 2022-05-18.
Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the Database of European Syrphidae. 65: 285pp.

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[1] Stubbs, Alan E.Carl Fredrik Fallen & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. p. 267, xvpp.

[2] Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum

[3] 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.

[4] 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.

[5] Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf

[6] Fauna Europaea

[7] Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.

[:0-8] "Ramson's Hoverfly". www.iucnredlist.org. 2021-02-22. Retrieved 2022-05-18.

[Speight-9] Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the Database of European Syrphidae. 65: 285pp.