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Portevinia maculata

 
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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: Portevinia maculata Reply with quote

Portevinia maculata (FallÚn, 1817)

Identification ease/difficulty: 1

Habitat indicator statusSources of information
Pictures:
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Last edited by stuart on Sun Jan 22, 2006 11:09 am; edited 2 times in total
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stuart
Site Admin


Joined: 11 May 2005
Posts: 737
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.

Portevinia maculata (FallÚn, 1817) Cheilosia maculata FallÚn in Coe (1953)

Biology: The larvae tunnel in the bulbs of Allium ursinum. During its rather short flight period, males are often abundant around stands of the larval foodplant, where they can be seen visiting the flowers and resting on the foliage. Females are surprisingly elusive, but are presumably also present and making themselves less conspicuous

Distribution: Widespread and often abundant wherever the larval food plant grows (usually, but not exclusively, in woodland). It has recently been recorded from northern Scotland
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