7 Free Photos of Hawthorn Button Top Gall Midge

dipteraarthropodadasineura gallsspier's schoolcecidomyiidaedasineura crataegiperrisia crataegicecidomyia crataegidiseases and disorders of crataegus monogyna
Terminal bud of a hawthorn with a hawthorn button-top gall. Spier's, Ayrshire, Scotland.
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A hawthorn button-top gall with a normal shoot growing. Spier's, Beith, Ayrshire, Scotland.
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The Hawthorn button-top gall, caused by Dasineura crataegi. Spier's, Beith, Ayrshire, Scotland.
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Hawthorn button-top gall dissected to expose detail of structure. Spier's, Ayrshire, Scotland.
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Ligulate excresences on a hawthorn leaf galled by Dasineura crataegi. Spier's, Beith, Ayrshire, Scotland.
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Ligulate excrescences on Hawthorn leaves. Spier's, Ayrshire, Scotland.
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Terminal bud rosette caused by Dasineura crataegi. Spier's, Beith, Ayrshire, Scotland.
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