''Platycheirus rosarum'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

hoverfly Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while ...

found in the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

. Like its close relative ''

Platycheirus granditarsus ''Platycheirus granditarsus'', the Hornhand Sedgesitter, is a species of hoverfly. It is found in many parts of Great Britain, Britain North America and Europe. Typical habitat includes marshy meadows and ditches, where it can be found between Ma ...

'', it can be found in marshy meadows and ditches; indeed, the two species can often be found together. The flight time is between May and October, though it peaks in abundance in June and July.

Description

External images
For terms, see: Morphology of Diptera.
Tergite 2 is black. Tergite 3 and sometimes tergite 4 have a divided whitish to yellowish band. Male metatarsus 1 lacks a protuberance. Wings have a violet sheen. See references for

determination Determination is a positive emotional feeling that involves persevering towards a difficult goal in spite of obstacles.Kirby, L.D., Morrow, J., & Yih, J. (2014). The challenge of challenge: Pursuing determination as an emotion. In M. M. Tugade, ...

Distribution

: Fennoscandia south to Iberia and the Mediterranean basin, Ireland eastward through Europe to European Russia and Siberia.

Nearctic The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface. The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America t ...

: Alaska to Nova Scotia and south to New Jersey. Peck, L.V. (1988). "Syrphidae". In: Soos, A. & Papp, L. (eds.). ''Catalogue of Palaearctic Diptera'' 8: 11-230. Akad. Kiado, Budapest. DroughtHildenCanal

Biology

Habitat: River, stream and pond margins with tall herbaceous vegetation and fen. Around the periphery of bogs, ''Salix'' swamp.

References

{{DEFAULTSORT:Platycheirus Rosarum Diptera of Europe Syrphinae Insects described in 1787