NORFOLK BIODIVERSITY ACTION PLAN SPECIES DATA AUDIT ...

LEPIDOPTERA:
BUTTERFLIES
Spp.
Considered
Extinct
Species Present
or
absent
in
Norfolk
High Brown Fritillary
Argynnis adippe
Pearl-bordered Fritillary
Boloria euphrosyne
Small Pearl-bordered
Fritillary
Boloria selene
Small Heath
Coenonympha pamphilus
Small Blue
Cupido minimus
Spp. New
to National
BAP List
No. of
records in
database
No. of
1km
squares
recorded
since
1980
Possible other
sources
of data sets
38
Other survey
work
completed or
in progress
Comments
P? 9 0 Recently extinct in Norfolk – Last recorded in 1975 at
Beeston Regis Common.
Marked decline in UK - Reduction of coppicing,
agricultural improvement, cessation of grazing and
traditional forms of bracken management.
P? 5
0 Extinct in Norfolk – Last recorded as a resident species in
early 1900s. May be candidate for reintroduction.
Marked decline in UK - Loss of open clearings and
canopy gaps within modern high forest systems,
cessation of grazing on unimproved grassland and
abandonment of traditional bracken and gorse
management.
P? 10 3 Recently extinct in Norfolk – Last recorded in Norfolk in
1983 in the Sea Palling/Waxham area. May be candidate
for reintroduction.
Marked decline in UK – Loss of open clearings and
canopy gaps within modern high forest systems,
cessation of grazing on unimproved grassland and
abandonment of traditional bracken and gorse
management.
New to national list of BAP priority species 2007
P 926 22 BC Found in open, short grassland including roadside verges
and heaths.
Marked decline in UK – Reason unclear, although may be
due to loss of microhabitats that allow the growth of larval
foodplants (e.g. fine grasses)
New to national list of BAP priority species 2007
P? 4 0 Extinct in Norfolk – Last recorded in early 1900s. May be
candidate for reintroduction.
Marked decline in UK – Loss and degradation of habitat.
New to national list of BAP priority species 2007