The larva has unevenly coloured tergites (the plates on its back covering its body segments); the ones in the middle are lighter brown, the three thoracic tergites just behind the head and the very ...

The head is coated with reddish hairs. The larvae can reach 13mm and are white with a hardened, brown head capsule and no ocelli (simple eyes). Adults have silver grey-brown coloured wings which are ...

Counting the spots is not always a good way to identify them though ... Many are grey with mottled spots but yellow, buff or brown larvae are also found. A larva sheds its skin four times over ...