Helophilus hybridus
Helophilus hybridus is a hoverfly. It is a  Palearctic species. Description
For terms see Morphology of Diptera

Wing length 8·5-11·25 mm. Femorae 3 top 1/4 or less yellow. Tibiae 3 pale on basal 1/4 or less. Males tergite 2 large yellow spotsreach the hind margin over their full width. The larva is illustrated by Hartley (1961). See references for determination

Distribution
Palearctic Fennoscandia South to North France. Ireland East through North Europe and Central Europe (including the Alps) East into Russia and on through the Russian Far East and Siberia to the Pacific coast. Mongolia. Nearctic from Alaska to Nova Scotia and South to Utah. Biology
Habitat: wetlands non-eutrophic pools in fen, poor fen, deciduous woodland and dune slacks, cutover valley bog, fen carr, taiga. Flowers visited include white umbellifers, Calluna vulgaris, Cirsium, Convolvulus, Crataegus, Echium, Euphorbia, Limonium, Lycopus, Mentha aquatica, Menyanthes, Narthecium, Parnassia palustris, Plantago, Pulicaria, Rosa, Rubus, Salix repens, Salix, Senecio, Sorbus, Succisa, Taraxacum, Valeriana. The flight period is early May to early September. References

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Diptera of Europe
Eristalini
Insects described in 1846
Articles containing video clips
Taxa named by Hermann Loew
Hoverflies of North America