other orders |
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Ramshorn Gall on pedunculate oak: Andricus aries |
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Wanstead Flats, 26 July 2008 |
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Affecting an axillary bud of an oak on Wanstead Flats. Andricus species are gall-formings wasps in the family Cynipidae. First recorded in Britain in 1997 in Berkshire (British Plant Galls, Redfern and Shirley), Andricus aries is now common in London and SE England. |