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Pelecocera tricincta

 
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stuart
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Joined: 11 May 2005
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Location: Peterborough, UK

PostPosted: Sat May 28, 2005 5:39 pm    Post subject: Pelecocera tricincta Reply with quote

Pelecocera tricincta Meigen, 1822

Identification ease/difficulty: 2

StatusSources of information
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stuart
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Joined: 11 May 2005
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Location: Peterborough, UK

PostPosted: Sun May 29, 2005 8:41 am    Post subject: Species account from the Provisional atlas Reply with quote

Species account from Provisional atlas of British hoverflies, Ball & Morris, 2000.

Pelecocera tricincta Meigen, 1822

Biology: The larvae of this species remain unknown. They are restricted to heathland (including clearings in wooded heath and the tracks and rides of conifer plantations which have been planted on heathland) . Adults are usually found by sweeping low flowery vegetation bordering tracks and rides, but can also be seen visiting a range of flowers. Potentilla erecta and yellow composites such as Hieracium are often abundant in such situations and are particularly favoured

Distribution: This species has mainly been recorded from the extensive heathland sites of Dorset and Hampshire, but there are recent records from Devon, the Isle of Wight, Sussex and at least four localities in Surrey. It can be reasonably abundant at some localities
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stuart
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Joined: 11 May 2005
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Location: Peterborough, UK

PostPosted: Sun May 29, 2005 9:08 am    Post subject: Data sheet from National Review of Diptera, Falk, 1991 Reply with quote

Datasheet from the Review of Scarce and Threatened Diptera, Falk (1991).

PELECOCERA TRICINCTA Meigen RARE

DISTRIBUTION Most records relate to the heaths of the New Forest and East Dorset, though it has also been recorded from Ash (1984) and Chobham (1987, 1988), Surrey; Parkhurst Forest, Isle of Wight (1970, 1974) and Stover Country Park, Devon (1986).

HABITAT Heathland and in particular the margins of bogs and wet heaths (e.g. Erica tetralix heath).

ECOLOGY Biology unknown, though possibly associated with damp mud or vegetation at the edges of bogs. Adults recorded from May to September and have been observed visiting the flowers of various dandelion type composites and heather Calluna.

STATUS About 15 known post 1960 sites and regularly found on the New Forest and Dorset heaths, sometimes in good numbers. The area of suitable habitat must be diminishing however. The recent record from Devon (Stover Country Park) is a most unexpected extension of its range.

THREAT Clearance of heathland and drainage of bog areas for agricultural improvement and afforestation. Mis-management of heath with a resultant loss of bogs and scrub/bracken invasion. Pollution such as agricultural run-off.

MANAGEMENT Maintain a mosaic of conditions within the heath particularly ensuring the presence of boggy pools. Employ traditional heathland management to prevent scrub invasion.
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