| Acarian plant galls: Eriophyidae |
| Aceria |
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Galls of Aceria cephalonea
on leafs of Acer pseudoplatanus |
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| Breukelen, the Netherlands; 5 May 2016. | |
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Galls of Aceria hippophaena
on leafs of Hippophae rhamnoides |
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| Ville sur Sarre (Valle d'Aosta), Italy; 27 July 2018. | |