X hits on this document

233 views

0 shares

0 downloads

0 comments

36 / 101

Pashford Pot Beetle Cryptocephalus exiguus

A

2

-

Zircon Reed Beetle Donacia aquatica

P

8

2

Two-tone Reed Beetle Donacia bicolora

A

-

-

a Ground Beetle Dromius quadrisignatus Petty Whin Weevil Exapion genistae

A

-

- -

A

-

Present or absent in Norfolk

No. of records in database

No. of 1km squares recorded since 1980

Possible other sources of data sets

A

-

-

A

-

-

Ground Beetle Recording Scheme

Species

Northern Dune Tiger Beetle Cicindela hybrida

Hazel Pot Beetle Cryptocephalus coryli

Declining - Reasons are not well understood, but may be related to the reduction in coppicing. The beetle is at risk from clearance of birch from heathland. Old county records only (1888). Considered extinct in Norfolk. Declining -The only known site in Suffolk is threatened by lowering of the water table due to drainage of adjacent land. Restricted to Broads. Declining - Water abstraction, disturbance to marginal vegetation, infilling of lakes and ponds, eutrophication. Old county records only (1875). Considered extinct in Norfolk. Declining - Water abstraction, disturbance to marginal vegetation, infilling of lakes and ponds, eutrophication. Old county records only (1875). Considered extinct in Norfolk. Marked decline in UK – Reasons unknown. Old county records only (1810). Considered extinct in Norfolk. Found on grassland and wet heathland, associated with Genista spp. Declining – habitat loss by development and agricultural intensification. New to national list of BAP priority species 2007

Marked decline in UK - Dune stabilisation schemes, increased recreational use of coastal dunes. Old county records only (early 19th century). Considered extinct in Norfolk.

Old county records only (c. 1910). Considered extinct in Norfolk.

Other survey work completed or in progress

Comments

32

Document info
Document views233
Page views233
Page last viewedMon Dec 05 08:27:34 UTC 2016
Pages101
Paragraphs3389
Words24944

Comments