Main: (Lycaenidae / Theclinae)
61.003 [B&F: 1556] Brown Hairstreak (Thecla betulae) (Linnaeus, 1758)


A vulnerable Red Data Book species, in deciduous woodland and scrubland; 0-300 m (50-1500 m in Europe) in parts of southern England, south-western England; mainland Europe and southern Scandinavia. In Hampshire the two principal sites are at Shipton Bellinger and Noar Hill, but they can be difficult to see as they spend much of the time high in ash trees. There are scattered records elsewhere in the county and on the Isle of Wight. Wingspan 34-36 mm. Larva feeds on Blackthorn.

Flightime guide

Phenology - Adult Records

Max records: 133
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Phenology - Larval Records

Max records: 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
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Record Density

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