- Source: 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
External links
External images
Kata Kunci Pencarian:
- Helophilus hybridus
- Helophilus pendulus
- List of the Syrphidae of Ireland
- Helophilus
- List of flower fly species of North America
- List of hoverfly species of Great Britain