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Pipizella maculipennis

 
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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: Pipizella maculipennis Reply with quote

Pipizella maculipennis (Meigen, 1822)

Identification ease/difficulty: 4

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.

Pipizella maculipennis (Meigen, 1822)

Biology: The larvae of this species remain unknown, but other members of the genus prey on root-feeding aphids. It is mentioned as having been found with Syrphus larvae on a variety of aphids, but it is not clear whether the aphids were being used as prey. About half the records of adults appear to come from estuarine situations, but it is also recorded from inland localities, including a woodland ride. According to Speight (1998) it is associated with dry, unimproved grassland area in scrub or woodland

Distribution: A very rare species with widely scattered records from southern England north to southern Scotland. In Europe, this species has been confused with the very similar P. zeneggenensis (which is not yet known in Britain, but occurs in Belgium and France), so the few British specimens should be re-examined with this in mind. The male terminalia are figured by van der Goot (1981)
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stuart
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Location: Peterborough, UK

PostPosted: Sun May 29, 2005 9:09 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).

PIPIZELLA MACULIPENNIS (Meigen) RARE

DISTRIBUTION The few records present are mainly scattered around southern England, though records are present from Dumfriesshire and Argyllshire in Scotland.

HABITAT Uncertain, some records are from coastal marshes whilst others are from inland heaths and grassland.

ECOLOGY Larvae aphidophagous and abroad are said to have been reared from populations of the aphids Anoecia cornia, A. major, A. nemoralis and Tetraneura ulmi. It is presumed that the summer generations of these aphids are used ie those inhabiting the roots of various grasses. Adults recorded in June and July.

STATUS About half a dozen widely scattered post 1960 records. Its separation from the more frequent P. virens is not particularly easy and it may be under recorded to some extent.

THREAT Habitat loss through drainage for agriculture, afforestation and coastal developments. Pollution such as agricultural run-off.

MANAGEMENT Uncertain. A mosaic of vegetation types at sites, including pools and ditches, would be desirable.
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