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Rhamphomyia barbata
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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 Merzomyia westermanni

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Merzomyia westermanni  (Meigen, 1826)
Diptera: other groups: Tephritidae

Merzomyia westermanni

 
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National status: Local
Essex RDB: Listed



Additional Phenology Data

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Merzomyia westermanni
Merzomyia westermanni

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Taxonomic group: flies (other) (Diptera: other groups) - County data   
 
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Species text
The species is scarce, with nearly all Essex records in the south of the county. Nationally it has a strongly southeastern distribution with almost all records south of a line between the Wash and Severn map in Clemons (2004). It is a gallfly, whose larvae form a gall in the flower head of Ragwort Senecio, especially Hoary Ragwort S. erucifolius. Infected plants are usually obvious because the swelling forces up groups of pappus hairs. References

Species text last edited on Tue Mar 20th 2007 by user 3

Habitats

Broad Habitat Data (based on 51 records with habitat information)

Broad subhabitat Data (based on 1 records with subhabitat information)

Structural Habitat Data (based on 47 records with structural habitat information)

Habitat Detail and Method (based on 52 records with habitat detail and method information)

Recorded management for locations with Merzomyia westermanni

Recorded substrate and hydrology for locations with Merzomyia westermanni

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Interpretation of distribution maps