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Essex Field Club
Essex Field Club
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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.
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Species Account for Lasiommata megera

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Lasiommata megera  (Linnaeus, 1767)
Wall
Lepidoptera: butterflies: Satyridae

Wall Copyright: Stephen Rolls

 
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Additional Phenology Data

Images

Wall in cop 08-08-2010
Wall in cop 08-08-2010
Wall butterfly
Wall butterfly
Wall
Wall

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Taxonomic group: butterflies (Lepidoptera: butterflies) - Part county data   
Wall on UK Butterflies website
 
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Species text
Historically, this species is subject to large fluctuations in abundance. Its current situation in the county (2011) appears perilous, being restricted mainly to coastal sites, occasional singles being found up to a few miles inland. The most recent records from the north of the county come from the large nature reserves either side of the Colne estuary, but sightings are rare. The Wall now seems absent from the Dengie sea wall but sightings still occur further west along the Crouch and it is probably under-recorded towards Foulness. Its stronghold is Canvey Island and the post-industrial sites along the Thames centred around Tilbury extending as far west as Rainham Marshes. Butterfly Conservation evidence in the region points to climate change producing a shift in phenology, producing a (partial) 3-brooded life-cycle along the Thames whilst a generally 2-brooded phenology remains in the Cambridgeshire Fens and in Northern England. Small, isolated colonies inland have therefore declined, being consistently 'caught' between broods and being exposed to high winter mortality, not having the dual hibernation outlet of the Speckled Wood, a close cousin with a corresponding upward trend. Hope comes from the South Coast counties, where some gains have been made inland in the last 2 years. But in Essex at present, only large or well-connected primary habitats seem capable of holding small, viable colonies. (Butterfly Conservation, Cambridgeshire & Essex branch Newsletters 2009 & 2011: Rob Smith & Louise Bacon) References

Species text last edited on Tue Mar 13th 2012 by user 745

Habitats

Broad Habitat Data (based on 15 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 4 records with structural habitat information)

Habitat Detail and Method (based on 2 records with habitat detail and method information)

Recorded management for locations with Lasiommata megera

Recorded substrate and hydrology for locations with Lasiommata megera

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