a black-spotted longhorn beetle, rhagium mordax, walking over a pale brindled beauty caterpillar, phigalia pilosaria, eating an as

animal aspen background beauty beetle blackspotted brindled camouflage caterpillar color detail eating entomology environment european eye fauna feeding focus food forest green hertford insect invertebrate leaf lepidoptera longhorn macro mordax moth natural nature outdoor outdoors pale phigalia pilosaria plant populus rhagium selective tree tremula walking wild wildlife woodland