Angle shades moth larva

Angle shades moth larva

Observation - Angle shades moth larva. Description: Found in garage. I want to say it's the caterpillar of a small white ready to spend winter as a pupa. But I'm really not sure. Please could someone verify for me.

Found in garage. I want to say it's the caterpillar of a small white ready to spend winter as a pupa. But I'm really not sure. Please could someone verify for me.