Eumerus strigatus

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Eumerus strigatus
Eumerus strigatus.jpg
Eumerus strigatus, Deeside, North Wales, June 2015 2 (23257969082).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Genus: Eumerus
Species:
E. strigatus
Binomial name
Eumerus strigatus
(Fallén, 1817)
Synonyms

Eumerus strigatus, the onion bulb fly, is a fairly common species of syrphid fly observed across Europe. Also found in north-central North America and other scattered locations as an introduced species from infested bulbs. Syrphid flies are also known as hover flies or flower flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. The larvae feed on various bulbs. [2] [3]

Contents

Description

External images For terms, see: Morphology of Diptera.

Wing length: 4–6.25 mm (0.157–0.246 in). Stigma are yellowish or light brown. Femora 3 is simple. Tergites are blackish, absolutely without reddish-brown markings. Male ocelli are in an equilateral triangle. Male genitalia figured by Van Veen (2004). [4] [5] [6] [7] [8] The larva is described and figured by Heiss (1938). [9]

Distribution

Palaearctic, Fennoscandia South to Iberia and the Mediterranean basin, Ireland east through Europe into Turkey and Russia. Also, from the Urals to the Pacific coast (Sakhalin) and Japan. Introduced to the Nearctic and Australia and New Zealand. [10] [11] [12]

Biology

The habitat is wetlands, deciduous woodland, open ground, seasonally-flooded grassland, and open, dry unimproved pasture, including dune grassland. Also in horticultural land and suburban gardens. [13] In dry grassland often settles on the ground, on stones etc. Flowers visited include umbellifers, Allium ursinum, Convolvulus, Eschscholzia californica, Euphorbia, Fragaria, Leontodon, Papaver, Potentilla erecta, Ranunculus, Sonchus arvensis, Taraxacum. The flight period is May to September. A bulb feeder. It is a minor pest of Liliaceae, parsnip, carrot, potato, asparagus, artichoke roots (Cynara scolymus). [14]

Related Research Articles

<i>Eristalis arbustorum</i> Species of insect

Eristalis arbustorum, the European drone fly, is an abundant Northern Hemisphere species of syrphid fly, originally officially described by Linnaeus in 1758 as Musca arbustorum. The name "drone fly" is related to its similar appearance to the drone of the honeybee. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies as they are commonly found on and around flowers from which they get both energy-giving nectar and protein rich pollen. The larvae are aquatic filter-feeders of the long-tailed type.

<i>Eristalis nemorum</i> Species of fly

Eristalis nemorum is a species of hoverfly. It is found in the Palearctic and in the Nearctic.

<i>Eupeodes corollae</i> Species of fly

Eupeodes corollae is a very common European species of hoverfly. Adults are 6–11 millimetres (0.24–0.43 in) in body length. Males and females have different marking on the abdomen; males have square commas on tergites 3 and 4, whereas females have narrow commas. Larvae feed on aphids. This species has been used experimentally in glasshouses as a method of aphid control, and to control scale insects and aphids in fruit plantations. They were found to be partial to the fruit, eating more fruit than aphids.

<i>Eupeodes latifasciatus</i> Species of fly

Eupeodes latifasciatus is a species of hoverfly. Adults feed on nectar; larvae feed on aphids and scale insects.

<i>Merodon equestris</i> Species of fly

Merodon equestris is a Holarctic species of hoverfly. Like many other hoverflies it displays a colouration pattern similar to a stinging insect as an evolutionary defense mechanism. Other syrphid bee mimics are Mallota, Arctophila, Criorhina, Pocota and Brachypalpus. Merodon species are distinguished from these by the very strong hind femora, which bear a large triangular projection on the underside near the tip. It flies in low vegetation while the other bumblebee mimics prefer higher vegetation layers.

<i>Didea fasciata</i> Species of fly

Didea fasciata is a Holarctic species of hoverfly.

<i>Epistrophe grossulariae</i> Species of fly

Epistrophe grossulariae is a Holarctic species of hoverfly.

<i>Cheilosia bergenstammi</i> Species of fly

Cheilosia bergenstammi is a widespread European species of hoverfly. Adults can be found in summer visiting ragwort flowers and this plant is also the larval hostplant.

<i>Pipiza noctiluca</i> Species of fly

Pipiza noctiluca is a species of Hoverfly, from the family Syrphidae, in the order Diptera.

<i>Pipizella viduata</i> Species of fly

Pipizella viduata is a species of Hoverfly, from the family Syrphidae, in the order Diptera.

<i>Parasyrphus lineolus</i> Species of fly

Parasyrphus lineolus is a Holarctic species of hoverfly.

<i>Parasyrphus vittiger</i> Species of fly

Parasyrphus vittiger is a species of hoverfly, from the family Syrphidae, in the order Diptera.

<i>Parhelophilus versicolor</i> Species of fly

Parhelophilus versicolor is a European hoverfly.

<i>Melangyna compositarum</i> Species of fly

Melangyna compositarum is a Holarctic species of hoverfly.

<i>Meligramma guttatum</i> Species of fly

Meligramma guttatum is a Holarctic species of hoverfly.

<i>Chrysotoxum festivum</i> Species of fly

Chrysotoxum festivum is a species of hoverfly.

<i>Eumerus funeralis</i> Species of fly

Eumerus funeralis or lesser bulb fly is a species of Hoverfly, from the family Syrphidae, in the order Diptera. E. funeralis appears in Peck (1988) as a synonym of E. strigatus (Fallen), but was reinstated as the correct name for tuberculatus Rondani, sensu auctorum by Speight et al. (1998).

<i>Cheilosia impressa</i> Species of fly

Cheilosia impressa is a Palearctic species of hoverfly. Like most members of its genus C. impressa is a rather small, dark insect and identification can be problematic.

Cheilosia ahenea is a Palearctic species of hoverfly.

Hammerschmidtia ferruginea , the Aspen hover fly, is a rare, species of syrphid fly. It has been observed in Canada, Alaska and the northern United States. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found around and on flowers, from which they get both energy-giving nectar and protein-rich pollen. Larvae for this genus are of the rat-tailed type. Hammerschmidtia ferruginea larvae have been described by Rotheray.

References

  1. ↑ Chandler, Peter J. (1998). "Checklists of Insects of the British Isles (New Series) Part 1: Diptera". Royal Entomological Society . Handbooks for the Identification of British Insects. 12: 1–234. Retrieved 20 March 2014.
  2. ↑ Skevington, Jeffrey H (2019). Field Guide to the Flower Flies of Northeastern North America. ISBN   9780691189406.
  3. ↑ Stubbs, Alan E.; Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. pp. 253, xvpp.
  4. ↑ Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
  5. ↑ 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.
  6. ↑ 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.
  7. ↑ Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects10(1): 1-98. R. ent. Soc. London. pdf Archived 2018-10-04 at the Wayback Machine
  8. ↑ Bradescu, V. (1991) Les Syrphides de Roumanie (Diptera, Syrphidae), Clés de détermination et répartition. Trav.Mus.Hist. nat. Grigore Antipa, 31: 7-83.
  9. ↑ Heiss, E.M. (1938) A classification of the larvae and puparia of the Syrphidae of Illinois exclusive of aquatic forms. Univ.Illinois Bull., 36: 1-142.
  10. ↑ Fauna Europaea
  11. ↑ Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad. Kiado, Budapest.
  12. ↑ Vockeroth, J.R. (1992). The Flower Flies of the Subfamily Syrphinae of Canada, Alaska, and Greenland (Diptera: Syrphidae). Part 18. The Insects and Arachnids of Canada. Ottawa, Ontario: Canadian Government Pub Centre. pp. 1–456. ISBN   0-660-13830-1.
  13. ↑ Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the Database of European Syrphidae. 65: 285pp.
  14. ↑ de Buck, N. (1990). "Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België". Doc.Trav. IRSNB, no. 60, pp  1-167.
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