Puneet Varma (Editor)

Chalcosyrphus nemorum

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Covid-19
Kingdom  Animalia
Class  Insecta
Family  Syrphidae
Scientific name  Chalcosyrphus nemorum
Phylum  Arthropoda
Order  Diptera
Genus  Chalcosyrphus
Rank  Species
Chalcosyrphus nemorum httpsuploadwikimediaorgwikipediacommonsthu
Similar  Chalcosyrphus, Brachypalpoides lentus, Brachypalpus, Brachyopa, Anasimyia

Chalcosyrphus nemorum hoverfly


Chalcosyrphus nemorum is a Palearctic and Nearctic species of hoverfly.

Contents

Chalcosyrphus nemorum pest enka


Description

External images For terms see Morphology of Diptera
Wing length 6.5-8.25 mm. Hind femora are swollen and deep.Hind tibiae strongly curved and the ventral surface with closely-set short black hairs for the whole length. The abdomen is short tergites 2-4 with a pair of pink or orange-brown marks. The legs are black with yellow knees and yellow tarsi. The larva is figured by Hartley (1961)

Distribution

Fennoscandia South to the Pyrenees and from Ireland East through Northern, Central and Southern Europe (to South Italy) across the Palearctic into Russia and the Russian Far East and Sakhalin and Japan.In the Nearctic from Alaska to Nova Scotia and South to California.

Biology

The habitat is forest wetland (Alnus - Salix carr, deciduous forest and woodland with streams). Adults frequent sunlit foliage of bushes on trunks of fallen trees beside water and settle on damp mud at the water's edge.Flowers visited include white umbellifers, Caltha, Anemone nemorosa, Euphorbia amygdaloides, Ranunculus, Rubus idaeus, Potentilla erecta, Sorbus aucupariaand Taraxacum. Flies from the beginning of May to the end of September.

References

Chalcosyrphus nemorum Wikipedia


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Anasimyia
Brachyopa
Brachypalpoides lentus
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