Brachyopa insensilis

Brachyopa insensilis is a Palearctic species of hoverflies.[2][3] [4] [5]

Brachyopa insensilis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Subfamily: Eristalinae
Tribe: Brachyopini
Subtribe: Brachyopina
Genus: Brachyopa
Species:
B. insensilis
Binomial name
Brachyopa insensilis
Collin, 1939[1]

Description

External images For terms see Morphology of Diptera
The wing length is 6·5-7·25 mm. Apical antennomere small and without a sensory pit. Arista almost bare. Face less produced than in Brachyopa bicolor.[6] Scutellum with microtrichia only on anterior margin. The larva is illustrated by Rotheray (1993).[7]

Distribution

Brachyopa insensilis is a Palearctic species with a wide distribution in Europe[8] and east to Tajikistan, Siberia, Russian Far East and Kamchatka.[9]

The habitat is Abies, Quercus and Fagus forest with senile trees, but also occurs on old trees in suburban parks.[10]

Behaviour

Brachyopa insensilis is arboreal descending to visit sap runs and flowers (white umbellifers, Photinia, Prunus padus, Sorbus aria.[11] The flight period is from the beginning of May to the end of June. Brachyopa insensilis has a characteristic, rapid, zigzag flight and rarely descends lower than 3 metres from the ground. It may occur in small swarms around sap runs. Larvae feed in sap runs and rot holes.

References
  1. Collin, J.E. (1939). "Notes on Syrphidae (Diptera). III". Entomologist's Monthly Magazine. 75: 104–109.
  2. Stubbs, Alan E. & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide (2nd (revised) ed.). British Entomological & Natural History Society. p. 271, xvpp. ISBN 0-9502891-3-2.
  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. (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.
  6. Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London.
  7. Rotheray G., 1993 Colour Guide to Hoverfly Larvae Diptera, Syrphidae in Britain and Europe Dipterists Forum pdf Archived 2019-04-03 at the Wayback Machine
  8. Fauna Europaea
  9. Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
  10. Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
  11. de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc. Trav. IRSNB, no. 60, p. 1-167.
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