dangerous pine processionary caterpillars thaumetopoea pityocampa

allergy asphalt caterpillar caterpillars caterpiller column crawling crawly creepy danger dangerous environment europe galicia hairy health irritant irritating larva larvae long medicine mediterranean moth nature nosetail orange pest pine pityocampa poisonous procession processionaries processionary spain spring springtime thaumetopoea thaumetopoeidae veterinary wildlife