green geometrid caterpillar looper or inchworm crawling forward in characteristic looping movement

animal arthropod arthropoda background beautiful biology bug butterfly caterpillar close closeup crawl detail entomology environment fauna garden geometer geometridae green inchworm insect insecta insects invertebrate isolated larva larvae leaf lepidoptera looper macro metamorphosis moth moths natural nature outdoor pest plant small spanworm spring summer tree wild wildlife worm yellow