''Platycheirus nielseni'' is a
Holarctic
The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical reg ...
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 ...
of
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, whil ...
.
DescriptionExternal images
For terms see
Morphology of Diptera
Dipteran morphology differs in some significant ways from the broader morphology of insects. The Diptera is a very large and diverse order of mostly small to medium-sized insects. They have prominent compound eyes on a mobile head, and (at most) ...
Tibiae 2 uniformly broadened from base towards apex then becoming smaller and then swelling strongly on apical 1/5.
Distribution
Palearctic Fennoscandia South to northern France (Vosges).Ireland Eastwards through Northern Europe and Central Europe, northern Italy to EuropeanRussia; 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 ...
Alaska through Canada and South through the Rocky mountains to Colorado.
References
Diptera of Europe
Diptera of North America
Syrphinae
Hoverflies of North America
Insects described in 1990
{{Syrphidae-stub