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This
butterfly was once widespread over most of England and Wales, and parts
of southern Scotland, but by the middle of the 1800s had suffered a
severe decline that left it confined to the Welsh border counties.
It
is thought that the decline may have been due to a reduction in Hop
farming, a key larval foodplant at the time. Since the 1960s this
butterfly has made a
spectacular comeback, with a preference for Common Nettle as the larval
foodplant. Adults feed primarily on Thistles, Bramble, Ivy, Knapweeds
and Privet.
50 - 64 mm.
Mainly woodland.
Can be seen at any time of the year, occasionally awakening on warm
winter days. The butterfly emerges from hibernation in March, giving
rise to the next generation which appear at the end of June and start
of July. |