Main: (Lycaenidae / Theclinae)
61.006 [B&F: 1558] White-letter Hairstreak (Satyrium w-album) (Knoch, 1782)


An endangered Red Data Book species, in deciduous woodland and areas with scattered trees; 100-400 m (100-1300 m in Europe) in parts of southern England and Wales, with records north to Yorkshire; mainland Europe and southern Scandinavia. In Hampshire there are colonies in a few places such as Bentley Wood and Stockbridge Down. Intermittently recorded from the Isle of Wight, where less than annual in occurrence. Wingspan 36 mm. Larva feeds on Wych Elm.

Flightime guide

Phenology - Adult Records

Max records: 110
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Phenology - Larval Records

Max records: 5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
Click for density map

Record Density

As above but the larger the symbol, the greater the number of records
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