caterpillars. nest. nest of caterpillars. processionary caterpillars on a pine branch.

allergic animal autumn beak bird blighted branch brown bug build butterfly calbum caterpillar caterpillars caterpiller close comma coniferous dangerous destructive eye fingers flower foliage frost garden geo grass green hairy hand illness inclined infected infestation insect insects larva leaf lepidoptera macro mediterranean micro nat nature needle nest nymph papilionidae parasite people pets pine plant poisonous polygonia processionary puss row silk spiky spring tree trunk twig undefined white wildlife winter world