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Chamaesyrphus scaevoides

 
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stuart
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Joined: 11 May 2005
Posts: 737
Location: Peterborough, UK

PostPosted: Sat May 28, 2005 5:39 pm    Post subject: Chamaesyrphus scaevoides Reply with quote

Chamaesyrphus scaevoides (FallÚn, 1817)

Identification ease/difficulty: 3

StatusSources of information
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stuart
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Joined: 11 May 2005
Posts: 737
Location: Peterborough, UK

PostPosted: Sun May 29, 2005 8:40 am    Post subject: Species account from the Provisional atlas Reply with quote

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

Chamaesyrphus scaevoides (FallÚn, 1817)

Biology: The larvae of this species remain undescribed. Adults have been found in a variety of locations within Caledonian pine forest, often visiting Potentilla erecta flowers among heathy vegetation and along ride margins, where they are most frequently caught by sweeping

Distribution: This is not an uncommon species in the native pine woods of central and north-western Scotland. It has also been found close to conifer plantations and may be more widely distributed than previously thought
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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).

CHAMAESYRPHUS SCAEVOIDES (Fallen) RARE

DISTRIBUTION Widely recorded in the northern half of Scotland (Perthshire, Aberdeenshire, Elgin, Easterness, West Ross, Sutherland) with numerous records along Speyside.

HABITAT Usually associated with heather within Caledonian pine forest areas.

ECOLOGY Biology unknown. A development within dead wood or damp soil are two more obvious possibilities. Adults recorded from June to August.

STATUS Not infrequent along the Spey Valley, but very local elsewhere in the Scottish Highlands with a total of about 15 known post 1960 sites.

THREAT Afforestation and improvement of Caledonian pine forest and its heathland for pastureland, especially the drainage of boggy areas and removal of dead wood.

MANAGEMENT Maintain Caledonian pine forest in a open state with glades, and ensure the continued presence of any damp, boggy areas and dead wood which may provide potential breeding sites.
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