caterpillar of the grey dagger (acronicta psi) on a branch outdoors in sunlight. larva is quite hairy, greyish,

animal wildlife black branch butterfly caterpillar close closeup crawling creature detailed dots eating entomology fauna fforest grassland grey greyish horn insect larva leaves macro meadow moth nature orange outdoor outdoors plants rings single small spots summer sunlight white wild wilderness wood yellow shot dagger acronicta psi sunlight hairy bright red sides distinctive