![](https://www.forestpests.eu/web_data/atlas/78/78.jpg)
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![Foto : M.Zúbrik](https://www.forestpests.eu/crop.php?cesta=web_data/galeria/bylomor-bukovy/6.jpg&w=100&h=100)
![Foto : M.Zúbrik](https://www.forestpests.eu/crop.php?cesta=web_data/galeria/bylomor-bukovy/7.jpg&w=100&h=100)
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![](crop.php?cesta=uzivatelia/520/fotografie/510bc3e192c8d34938d56df038cc25c6/mikiola-fagi-837.jpg&w=500&h=500)
![](crop.php?cesta=uzivatelia/520/fotografie/510bc3e192c8d34938d56df038cc25c6/mikiola-fagi-838.jpg&w=500&h=500)
![](crop.php?cesta=uzivatelia/273/fotografie/48a0d575a9a000664c960dbc13bf5af4/mikiola-fagi-1926.jpg&w=500&h=500)
![](crop.php?cesta=uzivatelia/273/fotografie/48a0d575a9a000664c960dbc13bf5af4/mikiola-fagi-1927.jpg&w=500&h=500)
![](crop.php?cesta=uzivatelia/273/fotografie/48a0d575a9a000664c960dbc13bf5af4/mikiola-fagi-1928.jpg&w=500&h=500)
Mikiola fagi
Beach gall midge
Description
A tiny fly, only 4-5 mm long. Its larva (about 3-4 mm long) develops inside cylindrical gall formed on beech leaves since the beginning of spring. The gall has a typical barrel-like shape. It is green, yellow, often with red blending. It always occurs on the upper side of leaves. The size of the gall is about 5 - 10 mm. On one leaf may occur several galls.
Symptom
Barrel-like galls on the leaf surface.
Tree Species: Beech
Part of a plant- attacked: Leaf / Needle
Pest significance: Less harmful
Pest Category: Insects
Invasive Species: No
Present in EU: Yes
Seasonal frequency of occurrence
Seasonal frequency of occurrence
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