''Dasysyrphus hilaris'' is a

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 ...

hoverfly. It is a member of a cryptic species complex which includes ''

Dasysyrphus venustus ''Dasysyrphus venustus'' is a Holarctic species of hoverfly. DescriptionExternal imagesFor terms see Morphology of Diptera Wing length 6·25–10 mm. Eyes hairy. Tergites 3 and 4 with equal-sized yellow patterns. Tergite 2 pale pattern alwa ...

'' the most frequent and widely distributed species of the genus.Bogusław Soszyński, Lukasz Emil Mielczarek and Adam Tofilski, 2013 ''Dasysyrphus neovenustus'' sp. n. (Diptera: Syrphidae) a new species in the ''venustus'' species group''Polish Journal of Entomology'' (''Polskie pismo Entomologiczne'') tom 82, numer
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''Dasysyrphus hilaris'' is known with a level of certainty only from Ireland, Great Britain, Norway, France (Vosges, Alps, Pyrenees) and Liechtenstein.This species cannot be determined using existing keys.

References

{{Taxonbar, from=Q10754124 Diptera of Europe Syrphini Insects described in 1843