finger pointing insect tunnels under bark. forester shows maps bitten by larvae

arthropod arthropoda asper barbel bark bast beetle big black bug calamity camouflage capricorn cerambycidae cerambyx cerdo closeup coleoptera corridors damage destructive eaten entomology environment fauna feeding finger gloves gray great grey ground hands insect insects invertebrate larva longhorn man mimetism morinus nuthatch oak oriole outdoors overgrown overpopulated spotted tree tunnel wood woodpecker zoology