« Back

Colotois pennaria

Feathered thorn

Description

A rich reddish-brown moth, wingspan 35-45 mm. Only the males have the feathery antennae which give rise to its English name. It is one of the whole range of geometer moths on oaks. The egg is the overwintering stage. In spring, the larva feeds on leaves causing damage. The single generation flies in the autumn, from September to November. In case of an outbreak they can cause defoliation.

Symptom

In spring, the larva feeds on leaves causing damage.

Tree Species: Birch, Oak, Willow

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Invasive Species: No

Present in EU: Yes