Parasyrphus

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Parasyrphus
SchwebfliegeMorgentau2.JPG
Parasyrphus annulatus female
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Tribe: Syrphini
Genus: Parasyrphus
Matsumura, 1917
Parasyrphus map genus.png
Parasyrphus range map
Synonyms

Parasyrphus is a genus of hover fly found in the holarctic area of the world including species like Parasyrphus tarsatus located in some very northern areas. Very few of the 31 identified species have known larvae. [1] Of the known larvae most are predators of tree aphids with one, Parasyrphus nigritarsis , that feed on beetle eggs and larvae. [2]

Contents

Description

For terminology see Thompson glossary of taxonomic terms
Species of this genus are small to medium sized 5.6–11 mm (0.22–0.43 in), sturdy, usually with posteriorly rounded yellow spots or straight or posteriorly emarginate yellow bands on the oval abdomen, rarely with yellow abdominal markings reduced or absent. The abdomen is not marginate. The anterior anepisternum with short to moderately long erect hairs, at least posterodorsally. The hind coxa have tufts of hairs at the posteromedial apical angle. The eyes may be either bare or haired. [3] The face usually has a prominent tubercle. It is usually yellow or with distinct black median stripe though in some cases may be entirely dark brown to black.
The scutum is subshining black. The scutellum is dull yellow normally darker on the sides. The pleura are black, weakly. The anterior part of the anepisternum has many long erect hairs. The upper and lower katepisternal hair patches are either separated or narrowly joined posteriorly. The meron, metapleuron, and metasternum are bare. Wings entirely trichose or with small basal bare areas. The hind coxa have apical tufts of several strong hairs on the rear central area. The abdomen is oval unmargined, except with very weakly in Parasyrphus nigritarsis .
Abdominal segment 2 usually with pair of spots; Segments 3 and 4 usually each with pair of yellow spots or an entire or deeply emarginate yellow band posteriorly. The yellow spots or bands in some specimens can be reduced or even absent. Segment 4 and often segment 5 have the posterior margin narrowly yellow. The sternites are yellow, usually with faint or distinct dark median spots, stripes, or broad triangles or with black subapical bands. [4] A key to European genera of the family Syrphidaae is provided here Speight key to genera and glossary

Species

Identification of species

Keys and descriptions for some of the regions, where distributed.

Related Research Articles

<i>Myathropa florea</i> Species of fly

Myathropa florea, sometimes referred to as the Batman hoverfly, is a very common European and North African species of hoverfly. Adults may be seen on flowers from May to September. It is of a similar size to the common drone fly, but Myathropa are generally more yellow, with two light bands to the thorax, interrupted with a black central smudge. In museum specimens, any yellow colour soon fades to brown after death. Like most species in the tribe Eristalini, Myathropa are rather variable in size, shape and colour.

<i>Xylota sylvarum</i> Genus of flies

Xylota sylvarum is a common Palearctic species of hoverfly.

<i>Helophilus trivittatus</i> Species of fly

Helophilus trivittatus is a species of Palearctic hoverfly.

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

Eupeodes luniger is a common species of hoverfly.

<i>Dasysyrphus</i> Genus of flies

Dasysyrphus is a genus of hover flies with 50 identified species distributed worldwide. While the genus is relatively easy to identify, the differences between species have a more narrow range of variations. Therefore, identification of species by images of specimens alone should be made with care.

<i>Didea</i> Genus of flies

Didea, the lucent flies is a holarctic genus of black and yellow large sized flies 10–15 mm (0.39–0.59 in). belonging to the hoverfly family of Diptera. The larvae feed on aboreal aphids.

<i>Sphaerophoria</i> Genus of flies

Sphaerophoria is a genus of hoverflies. Species slender 5.6-12mm long with extremely large hemispherical male terminalia after which the common name globetail has been created. There are bright yellow markings on head and thorax and usually on the abdomen but some species have a black abdomen. They can be found worldwide but are common in North America, Europe, Asia and Australia. There are over 73 described species.

<i>Baccha elongata</i> Species of fly

Baccha elongata is a species of hoverfly in the genus Baccha.

<i>Platycheirus granditarsus</i> Species of fly

Platycheirus granditarsus, the Hornhand Sedgesitter, is a species of hoverfly. It is found in many parts of Britain North America and Europe. Typical habitat includes marshy meadows and ditches, where it can be found between May and October, though it is at its commonest between July and September. The most distinctive feature of this fly is the red-orange abdomen most easily seen as it takes off or alights.

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


Cheilosia latifrons is a species of 'flower flies' or hoverflies belonging to the family Syrphidae subfamily Eristalinae.

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

Parasyrphus nigritarsis is a species of hoverfly, from the family Syrphidae, in the order Diptera. It is known from northern Europe and North America, and has been considered to be a rare species in parts of its range. Adults visit flowers as a source of nutrition, and females lay their eggs on clutches of eggs of leaf beetles. When the Parasyrphus larvae hatch, they first consume leaf beetle eggs and then consume immature beetles until they reach the pupal stage. This species is related to hoverflies that prey on aphids as larvae, and has been investigated in studies of chemical ecology and food web ecology.


Heringia heringi is a European species of hoverfly.

<i>Platycheirus angustatus</i> Species of fly

Platycheirus angustatus is a species of hoverfly. It is found in many parts of the Palearctic, and in the Nearctic.

<i>Platycheirus immarginatus</i> Species of fly

Platycheirus immarginatus, the Comb-legged Sedgesitter, is a common species of hoverfly. It is found in parts of northern Europe and northern North America.

Platycheirus melanopsis is a species of hoverfly. It is found from northern Europe across to eastern Siberia. The larva is described by Rotheray

<i>Paragus haemorrhous</i> Species of fly

Paragus haemorrhous, the Black-backed Grass Skimmer is a common widespread species of hoverfly found in many parts of Europe, Africa and the Nearctic. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein-rich pollen. The larvae are predators on aphids.

<i>Xylota jakutorum</i> Genus of flies

Xylota jakutorum is a Palearctic species of hoverfly.

<i>Neoascia tenur</i> Species of fly

Neoascia tenur is a Palearctic species of hoverfly.

<i>Xylota tarda</i> Species of fly

Xylota tarda is a Palearctic species of hoverfly.

<i>Lejogaster tarsata</i> Species of fly

Lejogaster tarsata is a Palearctic hoverfly

References

  1. 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.
  2. Rotheray, G.E. (1993). "Colour Guide to Hoverfly Larvae (Diptera, Syrphidae) in Britain and Europe" (PDF). Diperists Digest. 9: 155.
  3. McAlpine, J.F. (1981–1989). Manual of Nearctic Diptera (PDF). [Ottawa]: Research Branch, Agriculture Canada. ISBN   978-0660121253.
  4. Speight, M.C.D. (2011) Species accounts of European Syrphidae (Diptera), Glasgow2011. Syrph the Net, the database of European Syrphidae, vol. 65, 285 pp., Syrph the Net publications, Dublin.
  5. 1 2 3 4 Ghorpade, K. (1994). "Diagnostic keys to new and known genera and species of Indian subcontinent Syrphini". Colemania Ins. Biosyst. 3: 15 pp.
  6. Thompson, F.C. (2012). "Fabulous flower flies for famous fly fanatics (Diptera: Syrphidae)". Canadian Entomologist. 144: 1–16. doi:10.4039/tce.2012.4. S2CID   86534594.
  7. Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
  8. Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf
  9. 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.
  10. Skevington, Jeffrey H (2019). Field Guide to the Flower Flies of Northeastern North America. ISBN   9780691189406.