Spurge hawk moth on sea spurge

The spurge hawk is a moth that lives on spurge species. The distinctive markings of the caterpillar and the threatening posture of the butterfly warns enemies of poisons, which it absorbs through the poisonous food plant. In the dunes, the caterpillar of this large moth can be found on the sea spurge, a rare plant that can be found during a walk mainly at the transition between the beach and the dunes.