processionary caterpillars living in a pine tree, one of the most destructive and harmful species to pines and cedars,

branch caterpillar cedar cedars cocoon conifer coniferous danger dangerous destructive eggplant environment forest hairs hairy harmful hazard infestation insect insects irritant itching leaf living mediterranean moth nature nest parasite pest pine pityocampa plague plagues plant poisonous processionary softwood species thaumetopoea top traumatocampa tree trees urticating wildlife woods worm