Rabdophaga Albipennis
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''Rabdophaga albipennis'' is a
gall midge Cecidomyiidae is a family of diptera, flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are very fragile small in ...
which forms
gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or war ...
s on the shoots of white willow (''
Salix alba ''Salix alba'', the white willow, is a species of willow native to Europe and western and Central Asia.Meikle, R. D. (1984). ''Willows and Poplars of Great Britain and Ireland''. BSBI Handbook No. 4. .Rushforth, K. (1999). ''Trees of Britain an ...
'').


Description

The gall is a slight swelling on a twig just below a bud on white willow (''Salix alba''). Inside the gall is a reddish-orange larvae which later makes an emergence hole in the twig or bud and overwinters in the gall.


Distribution

The insect or gall has been found in Great Britain and Italy.


References

albipennis Nematoceran flies of Europe Gall-inducing insects Insects described in 1850 Taxa named by Hermann Loew Willow galls {{Bibionomorpha-stub