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Stigmella hemargyrella

Leaf miner Stigmella hemargyrella

Description

Small moth with 6 mm wingspan. Adult flies in April and May, and later on in August. The female lays eggs at the upper side of the leaf, and not far from the leaf margin. Larvae feeds inside the leaf parenchyma. The feeding gallery (mine) is a rather wide corridor, that often crosses a vein, and almost invariably runs from somewhere near the leaf margin in the direction of the midrib.

Symptom

The feeding gallery is a rather wide corridor, that often crosses a vein, and almost invariably runs from somewhere near the leaf margin in the direction of the midrib.

Tree Species: Beech

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes