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Gall midge of Tilia (Dasyneura thomasiana)
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Symptoms / species
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Impact / measures
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Pictures
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Occurrence map
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 | | Tips of shoots and young leaves deformed, folded and brownish. In the galls larvae develop, which are initially white and later on orange.
| | | Affected tree species | Linden, Lime; | | Affected parts | Leaf; Shoot/Twig/Branch; |
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| Even if there are 2 generations per year, endangering effects are unlikely.
Curative measures
A chemical treatment is recommended only for nurseries: at the time of the activity of the larvae or as a preventive measure at time of budburst application of a broad scale insecticide against sucking insects (see federal register of plant protection).
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| Gall midge of Tilia, Dasyneura thomasiana; deformation of leaves | | Gall midge of Tilia - larvae | | Gall midge of Tilia - deformation of leaves | | Gall midge of Tilia - deformation of leaves |
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