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Photo: G. Bradley |
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UK
Safari Tip:
To help you identify the most frequently found galls there's a
fully illustrated fold out chart in the Nature Shop - click
here
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Thistle
galls are produced by a tiny picture-wing fly called Urophora cardui which
lays its eggs in young Creeping thistle stems. Up to six creamy coloured
larvae develop inside the stem.
The adult fly can be recognised by the markings on each wing which look like
a black letter 'M'.
UK Safari Galls Section
UK Safari Plants and Trees Section
UK Safari Creepy-Crawlies Section
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