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Beech leaf gall midge

Mikiola fagi

Description:

These galls are caused by the gall midge (Mikiola fagi), which lays its eggs inside the leaf's tissue. When they hatch, the larvae secrete chemicals that cause the leaf's tissue to form a protective 'bubble' around them.

Habitat:

The eggs of Mikiola fagi affect the leaves of Fagus sylvatica, which is its hostplant.

Notes:

Spotted near Gerritsflesch, Veluwe, Holland. (sources: see reference)

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Jae
Spotted by
Jae

Radio Kootwijk, Gelderland, Netherlands

Spotted on Jul 19, 2020
Submitted on Oct 1, 2020

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