Unknown Caterpillar

Unknown Caterpillar

Observation - Unknown Caterpillar - UK and Ireland. Description: Found on cultivated blueberry plants. A gift which was indoors overnight. The tell-tale caterpillar droppings and then few eaten leaves led me to find this solitary caterpillar. I have persuaded the owner of the bilberries to let the caterpillar live a

Found on cultivated blueberry plants. A gift which was indoors overnight. The tell-tale caterpillar droppings and then few eaten leaves led me to find this solitary caterpillar. I have persuaded the owner of the bilberries to let the caterpillar live as it's unlikely to eat all the leaves of the bilberry before maturity (I hope!). But what will it mature into? A moth I'm guessing.