Moth species larval case

Moth species larval case

Observation - Moth species larval case - UK and Ireland. Description: I'm not sure how to describe this - I think that it is the larval case for a moth species, but I'm not sure. It's on a flowerhead of Hemlock Water Dropwort. Afton Marsh SSSI, Freshwater, Isle of Wight

I'm not sure how to describe this - I think that it is the larval case for a moth species, but I'm not sure. It's on a flowerhead of Hemlock Water Dropwort. Afton Marsh SSSI, Freshwater, Isle of Wight