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Essex Field Club
Essex Field Club
registered charity
no 1113963
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We are normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday between 11am and 4pm. We are also usually open on Wednesdays between 10am and 4pm.

Spring recording Record your Robin Record Common Frog Rana temporaria
Record Alexanders Smyrnium olusatrum Record Tawny Mining Bee Andrena fulva
Record Dark-edged Bee Fly Bombylius major
Record Spring Flower Bee Anthophora plumipes
Record cuckoo bee Melecta albifrons

Species Account for Pherbellia dorsata

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Pherbellia dorsata  (Zetterstedt, 1846)
Diptera: other groups: Sciomyzidae

 
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National status: Scarce
Essex RDB: Listed



Additional Phenology Data

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Taxonomic group: flies (other) (Diptera: other groups) - County data   
 
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Species text
This is a rare snail killing fly with widely scattered records in southern England as north as Lincolnshire and the southern half of Wales. The status has been revised from RDB3 (Shirt 1987). About 35 post 1960 sites are known, the majority being in East Anglia or the East Midlands (Falk, 1991a). It is found in permanent, freshwater habitats both shaded and open, inland and coastal. Seasonally fluctuating water levels may be of importance. The larvae develop as parasitoids of the aquatic snail Planorbis planorbis (other species including terrestrial ones have been attacked in the laboratory). It is threatened by the drainage of wetland areas for agriculture, coastal development or intensive forestry; complete or extensive clearance of marginal vegetation from water edges such as through river improvement schemes and the ditching of streams; pollution such as agricultural run-off; mis-management of water levels with a loss of breeding sites and subsequent scrub invasion (Falk, op. cit.). References

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Habitats

Broad Habitat Data (based on 9 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 6 records with structural habitat information)

Habitat Detail and Method (based on 7 records with habitat detail and method information)

Recorded management for locations with Pherbellia dorsata

Recorded substrate and hydrology for locations with Pherbellia dorsata

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