Species Account for Platycheirus immarginatus
Platycheirus immarginatus (Zetterstedt, 1849)
Diptera: Syrphidae: Syrphidae
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Taxonomic group: hoverflies (Diptera: Syrphidae) - Available county data
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Status: NS
Essex RDB: Listed
Threat: Essex Threatened
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3 recent records, very scattered, Fobbing Marsh (grazing marsh), Maldon (saltmarsh) and Tilty (semi-improved grassland).
Species text
Records are widely dispersed in England, Wales and Scotland, but it is a very local species with about 25 known post 1960 sites. In Essex when the Essex Red Data list was prepared in 2002, there were 3 recent records, very scattered, Fobbing Marsh (grazing marsh), Maldon (saltmarsh) and Tilty (semi-improved grassland). It is found mainly on brackish coastal marshes, including saline marsh along tidal rivers. Larvae are probably aphidophagous and adults are known to visit a range of flowers.A natural hydological regime should be maintained, with a full succession or mosaic of vegetation types including pools, ditches and their marginal vegetation (Falk, 1991). References
Habitats
Recorded management for locations with Platycheirus immarginatus
Recorded substrate and hydrology for locations with Platycheirus immarginatus
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Interpretation of distribution maps