unknown dark brown caterpillar

unknown dark brown caterpillar

Observation - unknown dark brown caterpillar. Description: 1.5 - 2cm long. loops its body upwards to move. Quite distinctive markings along back. found on my trousers once indoors so I don't know what plant to release it on! ??

1.5 - 2cm long. loops its body upwards to move. Quite distinctive markings along back.

found on my trousers once indoors so I don't know what plant to release it on!

??