active appetite appetite for wood destructive insect pale pest sightless spiralling antennae termite timber transparent white white-ant widespread angles appetite-for-wood blind-bugs bugs damage damaged danger dangerous destroying destruction hungry insatiable insects pests riddled surface surfaced surfaces termites texture textured textures thick thin voracious white-anted white-anting white-ants wood wood-damage wood-eaters woodwork blind bugs white ants wood eaters