The larvae of this species are known as 'bagworms' or 'case-bearers'. Adult females are wingless and grub-like in appearance.

The larval case is often found attached to tree trunks, foliage or wooden fences.

Recorded in 39 (14.4%) of the 270 2km squares of Huntingdonshire.

Last recorded in May 2020

Recorded date range (Adult): 03 June to 07 August

Recorded date range (Larva/Leafmine): 01 March to 31 October