angling bait fishing grubs larva larvae maggot maggots red appearance attach attachments Australian bagmoth bagworm bagworm-moths Camouflage camouflaged case-moth caterpillar caterpillar-larvae cocoon cocooned collected collection detritus distinctive forequarters larva-case larvae lepidoptera locomotion log-cabin-case-moth mobile mobile-case moth moths movement moving native natural psychidae sticks unusual animals butterfly catirpel catirpeller chrysalis closeup crawl creep crop destroy eat entomophagous furry green hairy India insect krayker leaf Lepidoptera macro moulting pattern pest pests phytophagous stemmata tubular worm yellow ancient animal background bolt bore bug bugs damage damaged decay door grunge grungy hole infestation infested insects nature oxidation rivet rust rustic sawdust termite texture timber wallpaper weathered wood woodworm.beetle grub