Mystery Insect larva

Observation - Mystery Insect larva. Description: Case length up to ~ 1 cm. Today they are strongly bonded to the substrate. On casual observation appear very similar to Caddis larvae, but all but one of the caddis larvae I know are aquatic, but this isn't the same as Enoicyla pusilla [based upon case ma

Case length up to ~ 1 cm. Today they are strongly bonded to the substrate. On casual observation appear very similar to Caddis larvae, but all but one of the caddis larvae I know are aquatic, but this isn't the same as Enoicyla pusilla [based upon case materials]. Fore parts of the larvae are dark. My first observation in North Surrey was April 2010.
I do not believe it's the Case-bearing Clothes Moth (Tinea pellionella). We have these in the house.

I have seen a dozen or more of these. This is a typical example, with around half a dozen or more longer pieces of woody stem attached to the case.

It looks like Psyche casta