winter moth caterpillar operophtera brumata are a looper caterpillar and spin silk threads across forest, destroying the leaves

animal aphids are brumata butterflies butterfly cankerworm caterpillar caterpillars closeup crawl defoliation deforestation destroying destruction ecology entomology environment evolution fauna flower forest green hairy hibernation insects invertebrate larva larvae lava leaf leaves lepidoptera life looper loopers macro moth moths natural nature operophtera outdoor pattern pest plant season silk spanworms spin thread threads weather wildlife winter worm