Every Spring this caterpillar returns to thedunes around The Hague, this year though more than most. In their masses and in search of food they have even dared to brave the beach.
Coming into contact with them can cause skin irritations and should the irritation last for longer than a week, the local council is advising you contact your GP.
Should you come into contact, rinsing with water and using skin creams based with aloë vera, calendula or menthol should alleviate any symptoms.