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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 Polyommatus icarus

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Polyommatus icarus  (Rottemburg, 1775)
Common Blue
Lepidoptera: butterflies: Lycaenidae

Polyommatus icarus

 
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Additional Phenology Data

Images

Common Blue - 20th August 2013
Common Blue - 20th August 2013
Common Blue (in cop)
Common Blue (in cop)
Common Blue (male)
Common Blue (male)
Common Blue (female)
Common Blue (female)
Common Blue 2
Common Blue 2
Common Blue butterfly
Common Blue butterfly
Polyommatus icarus
Polyommatus icarus

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Taxonomic group: butterflies (Lepidoptera: butterflies) - Part county data   
Common Blue on UK Butterflies website
 
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Species text
The most widespread of the blues in Britain, the Common Blue is found on unimproved grassland, wasteland and on sea walls. Its larvae feed mainly of Bird's Foot Trefoil (Lotus corniculatus) but other plants are used. There are usually 2 broods each year, the first emerging in May, peaking in early June and the second emerging in July, peaking in early August. When conditions are favourable, the second brood can be extremely abundant, as was the case in 2010. In warm years, a small partial third brood sometimes appears in early October, often at Canvey Island and other Thames coastal sites. The Common Blue overwinters in the larval state. The Common Blue is usually separated from the Holly Blue by its low-level sorties over grassland but it can occassionally rise up high over vegetation making in-flight identification difficult. References

Species text last edited on Sat Feb 18th 2012 by user 745

Habitats

Broad Habitat Data (based on 258 records with habitat information)

Broad subhabitat Data (based on 5 records with subhabitat information)

Structural Habitat Data (based on 21 records with structural habitat information)

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

Recorded management for locations with Polyommatus icarus

Recorded substrate and hydrology for locations with Polyommatus icarus

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