''Parhelophilus versicolor'' is a European hoverfly.

Description

External images
For terms see Morphology of Diptera
Wing length is 7–9 mm. There is no posteroventral tubercle at base of Femur 3. Face is convex. Occiput has yellow hairs only. Reemer (2000) figures the male genitalia. The larva is figured by Hartley (1961) See references for determination.

Distribution

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 ...

Southern Fennoscandia South to Iberia and the Mediterranean basin. Ireland East through Europe into Turkey and European Russia then to western Siberia.

Biology

Habitat: Wetland. Fen, marsh and reed beds. Flowers visited include white umbellifers, ''Aegopodium podagraria'', ''Cardamine'', ''Cistus'', ''Crataegus'', ''Euphorbia'', ''Filipendula ulmaria'', ''Galium'', ''Leontodon'', ''Sorbus aucuparia''.de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. ''Doc.Trav.'' IRSNB, no.60, 1-167. Flies May to August. The larva is aquatic. It has been collected from decaying rhizomes of ''Typha''.

References

{{Taxonbar, from=Q2747191 Diptera of Europe Eristalini Insects described in 1787 Taxa named by Johan Christian Fabricius