''Paragus constrictus'' is a

species In biology, a species is the basic unit of Taxonomy (biology), 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 ...

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 ...

. It is found in Southern Sweden and Denmark, Ireland, Spain, Germany, the French Alps, Switzerland, Austria, Italy, Yugoslavia and Turkey and Russia east of the Urals. This species may be distinguished from ''

Paragus tibialis ''Paragus tibialis'', is a species of hoverfly found in many parts of Europe and North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for ...

'' only by the shape of the male parameres. In both sexes it shares with ''P. tibialis'' the character of entirely pale-haired abdominal tergites, so it is distinct from ''

Paragus haemorrhous ''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 ...

'' which has dark hairs
Images representing ''Paragus constrictus''

References

Diptera of Europe Syrphinae Insects described in 1986 {{Syrphidae-stub