''Parasyrphus lineolus'' is a Holarctic species of hoverfly.

Description

External images
For terms see Morphology of Diptera
Wing length 7·25-8·25 mm. Black face stripe. Leg 3 black with at most knee yellow, apex of tibiae 3 black. Tarsi 1 all segments black. Pterostigma dark grey. The male genitalia are figured by Hippa (1968). and Vockeroth (1969). The Larva is described and figured by Heiss (1938) . 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 ...

Fennoscandia South to the Pyrenees. Ireland East through Central Europe and South Europe (North Italy and the Balkans), then East into European Russia and from the Urals through Siberia to the Pacific coast (Kamchatka, Sakhalin Is.) Nearctic Alaska to Quebec South to Colorado and New Mexico.

Biology

Habitat: ''Abies'', ''Picea'', ''Pinus'' forest. Flowers visited include yellow composites, white umbellifers, ''Acer platanoides'', ''Achilea'', ''Alchemilla'', ''Anemone nemorosa'', ''Calluna vulgaris'', ''Caltha'', ''Cardaminopsis'', ''Galium'', ''Inula'', ''Meum'', ''Petasites albus'', ''Potentilla'' erecta, ''Prunus'', ''Ranunculus'', ''Rubus fruticosus'', ''Salix'', ''Sambucus nigra'', ''Sorbus aucuparia'', ''Taraxacum'', ''Triplospermum inodorum'', ''Valeriana officinalis'', ''Veronica'', ''Viburnum''.de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. ''Doc. Trav.'' IRSNB, no.60, 1-167. The flight period is April to July. The larva is aphid feeding.

References

{{Taxonbar, from=Q1266012 Diptera of Europe Syrphinae Syrphini Insects described in 1843 Taxa named by Johan Wilhelm Zetterstedt