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Pontania vesicator

Gall sawfly Pontania vesicator

Description

It is a relatively massive, bean-like gall that fills up the entire space between the cetral vein and the leaf edge. On one leaf there often occur more galls. The gall can be up to 20-30 mm long and 15 mm wide. Firstly it is green, later on with the shade of red. It is visible on both sides of the leaf. Only one pale yellow larva lives inside.

Symptom

It is a relatively massive, bean-like gall that fills up the entire space between the cetral vein and the leaf edge.

Tree Species: Willow

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 1 observations of the species in the system

Pontania vesicatorGall sawfly Pontania vesicator
Marián Slamka
Number of votes: 0
Published: 22.10.2023

Pontania vesicatorGall sawfly Pontania vesicator
majo
Number of votes: 0
Published: 22.10.2023