NORFOLK BIODIVERSITY ACTION PLAN SPECIES DATA AUDIT ...

Species Present
or
absent
in
Norfolk
Four-spotted Moth
Tyta luctuosa
Oak Hook-tip
Watsonalla binaria
Dusky Lemon Sallow
Xanthia gilvago
The Sallow
Xanthia icteritia
Dark-barred Twin-spot
Carpet
Xanthorhoe ferrugata
Heath Rustic
Xestia agathina
No. of
records in
database
No. of
1km
squares
recorded
since
1980
Possible other
sources
of data sets
54
Other survey
work
completed or
in progress
Comments
P 9 3 BC, Rothamstead Institute Nationally Scarce A. Current UK Species
Action Plan.
A grassland species which is typically found
on south-facing banks on well-drained soils
with sparse vegetation and bare earth.
Declining - Loss of habitat due to agricultural
intensification and development.
Inappropriate grassland management.
P 271 118 BC, Rothamstead Institute Found on scrub oak on heathland, woodland,
fens, grassland and gardens.
Marked decline in UK – Causes unclear.
New to national list of BAP priority
species 2007
P 17 6 BC, Rothamstead Institute A local species found in broadleaved
woodland, hedgerows and parkland
containing elm trees (Ulmus spp).
Marked decline in UK – Probably due to loss
of habitat, particularly the loss of mature
elms.
New to national list of BAP priority
species 2007
P 166 74 BC, Rothamstead Institute Occurs in a wide variety of habitats, where
Populus and Salix spp occur, but most
numerous in broadleaved woodland.
Marked decline in UK – Causes unclear.
New to national list of BAP priority
species 2007
P 371 125 BC, Rothamstead Institute Occurs in a wide range of habitats, including
gardens, woodland and fens.
Marked decline in UK – Causes unclear.
New to national list of BAP priority
species 2007
P 22 11 BC, Rothamstead Institute Localised to acid heathland and moorland.
Marked decline in UK – Causes unclear.
New to national list of BAP priority
species 2007