Species Account for Satyrium w-album

National status: Nb
W&C Act: Schedule 5
BAP status: UKBAP  



Additional Phenology Data

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White-letter Hairstreak

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Species text
The White-letter Hairstreak Strymonidia w-album is a widely but locally distributed butterfly of southern and central England, Yorkshire and Wales. The larva feed on elms in sheltered hedgerows, mixed scrub, and along the edges of woodland rides, as well as on large isolated elms, with colonies usually confined to a small group or even a single tree. Although the butterfly seems to have become rare in the 1970s with the loss of elms to Dutch Elm Disease, it has been recovering, the larvae using sucker regrowth (Asher et al., 2001). One of the best sites in Essex is Hadleigh Downs where adults readily feed at low level on bramble blossom throughout the flight season. This can occur on other sites particularly during very dry periods (e.g. 2010) or in the middle of hot days when sap/honeydew is not available. Generally however, adults are seen flitting high amongst elm suckers or adjacent ash branches. References

Habitats

Recorded management for locations with Satyrium w-album

Recorded substrate and hydrology for locations with Satyrium w-album

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