a pale brindled beauty caterpillar, phigalia pilosaria, eating an aspen tree leaf, populus tremula, in woodland in spring.

animal aspen background beautiful beauty brindled bug camouflage caterpillar close closeup color detail eating entomology environment european eye fauna feeding focus food forest green hertford insect invertebrate leaf lepidoptera macro moth natural nature outdoor outdoors pale phigalia pilosaria plant populus selective spring tree tremula wild wildlife wood woodland