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Lasioptera populnea

Gall midge Lasioptera populnea

Description

On aspen leaves are formed round galls similar to swellings. They are usually greenish red, on the upper side of leaf and green on the lower side. They are 3-5 mm long. On a single leaf can be found several galls. In the second half of summer, on the upper side of the swelling is formed an opening. Inside lives a tiny orange larva. They can be common on some places.

Symptom

On aspen leaves are formed round galls similar to swellings. They are usually greenish red on the upper side of leaf and green on the lower side. They are 3-5 mm long.

Tree Species: Poplar

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes