Silver-studded Blue (Plebeius argus)
The Silver-studded Blue became extinct in Cheshire during the 1920's, but has been re-introduced at one site on the Wirral in 1994.
In 2005 there were no sightings of the Silver-studded Blue despite regular surveys. The colony is now considered extinct.
When to see: June to early August
Habitat: Lowland heath
Behaviour: Patrol. Slow, fluttery flight.
Adult nectar plant: Bell Heather (Erica cinerea)
Caterpillar food plant: Mainly pioneer Heather (Calluna vulgaris) but also Cross-leaved Heath (Erica tetralix) and Bell Heather (E. cinerea)
Site: Thurstaston Common Local Nature Reserve (LNR), Wirral
Cheshire status: Recorded locally on heathlands in the county during the nineteenth century, but the last colony died out in the 1920ís. Re-introduced at one site on the Wirral in 1994, with the colony surviving until 2004. Single-brooded flying from late June to early August.
More information on external web sites
Photographs on BioImages.org.uk