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Eristalis tenax

 
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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: Eristalis tenax Reply with quote

Eristalis tenax (Linnaeus, 1758)

Identification ease/difficulty: 1

Sources of information
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Last edited by stuart on Wed Jun 01, 2005 9:43 pm; edited 1 time 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.

Eristalis tenax (Linnaeus, 1758)

Biology: The larvae are of the ‘long-tailed’, semi-aquatic type, living in organically enriched ooze such as the mud fringing eutrophicated and/or polluted water bodies, the run-off from farmyard manure heaps, silage and slurry pits, and even exudates from putrefying corpses. When mature, larvae leave to look for somewhere dry, often a little above ground, to pupate. In doing so they may travel tens of metres from the larval habitat and turn up in unusual places. Adults disperse widely and visit a wide range of flowers. Can be abundant in gardens. Adults overwinter (not infrequently in houses), and occasional individuals can be seen during warm spells throughout the winter

Distribution: Widespread and very common. Markedly anthropogenic, a pronounced migrant and with a very long flight period
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