Caterpillar - Small Quaker (Orthosia cruda)

Caterpillar - Small Quaker (Orthosia cruda)

Observation - Caterpillar - Small Quaker (Orthosia cruda) - UK and Ireland. Description: I have real trouble identifying caterpillars as I have a form of colour-blindness. This one was found on some garden furniture in an area surrounded by mixed woodland in Hampshire. Any help greatly appreciated.

I have real trouble identifying caterpillars as I have a form of colour-blindness. This one was found on some garden furniture in an area surrounded by mixed woodland in Hampshire. Any help greatly appreciated.