pine processionary thaumetopoea pityocampa on green background

animal background black bug butterfly canine caterpillar caterpiller closeup danger dangerous dead dog environment forest green hair hairy infection infestation insect invertebrate isolated larva larvae lepidoptera macro medicine moth nature nest pest pine pityocampa plague poisonous prevention procession processionary protection puppy security spring swarm thaumetopoea thaumetopoeidae tree white wildlife worm