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 35 (13%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2018
Recorded date range (Adult): 03 June to 07 August
Recorded date range (Larva/Leafmine): 01 March to 31 October