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Spp.

Spp. New

Considered

to National

Extinct

BAP List

Present

No. of

No. of 1km

or

records in

squares

absent

database

recorded

in

since 1980

-

DIPTERA - flies

Species

Norfolk

Hornet Robberfly Asilus crabroniformis

A

8

P

?

?

P

18

6

P

1

1

P?

?

?

P?

?

?

Black Fungus Gnat Asindulum nigrum

Golden Hoverfly Callicera spinolae

Broads Long-legged Fly Dolichopus laticola

Bure Long-legged Fly Dolichopus nigripes

Clubbed Big-headed Fly Dorylomorpha claviferora

Possible other

Other survey

sources

work

of data sets

completed or

in progress

Comments

County Recorder

County Recorder

Current UK Species Action Plan Last Norfolk record in 1965. Considered extinct in Norfolk Found on heaths and commons. Declining – Habitat loss and degradation. Found in fen areas. Internationally threatened – Loss of habitat through drainage etc. New to national list of BAP priority species 2007 Current UK Species Action Plan Found on parkland and open woodland. Declining – Causes unclear. RDB Species Found in fen areas of the Broads. Internationally threatened – Habitat loss and degradation. New to national list of BAP priority species 2007 Found in areas of fen. Declining – Loss of habitat through drainage and agricultural intensification. New to national list of BAP priority species 200 Unconfirmed report from Hickling NNR in 1990. Found in fenland environments. Internationally threatened - Habitat loss and degradation. New to national list of BAP priority species 2007

36

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