winter moth operophtera brumata caterpillar and the forest destruction with caterpillars eatings woodland leaves

also animal aphids appetite arthropod biology brumata bug butterflies butterfly cankerworm caterpillar caterpillars closeup defoliation deforestation destruction eat eatings ecology entomology environment evolution feeding flora forest garden geometridae global hibernation hornbeam inchworms insect invertebrate known larva lava leaf leaves lepidoptera looper loopers metamorphosis moth moths natural nature operophtera pest spanworms tree warming wildlife winter woodland worm