beach brown bugs decay drift driftwood drill drills eaten holes termite termites wood worm worms bark grow growing log logs lumber madera moss plant plants texture textures tree trees tronco palm palma ant ant eater anteater Echidna mammal monotreme Porcupine prick sharp spines active appetite appetite for wood destructive insect pale pest sightless spiralling antennae timber transparent white white-ant widespread blind bugs damage hungry insects voracious white ants wood eaters woodwork angles appearance between blind-bugs damaged danger dangerous destruction evidence insatiable riddled rocks surface surfaced surfaces surfacing textured trail trails white-ants lampposts power-poles street wood-damage wood-eaters wooden-power-poles