animals butterfly caterpillar catirpel catirpeller chrysalis closeup crawl creep crop destroy eat entomophagous furry green hairy India insect krayker larva larvae leaf Lepidoptera macro moth moulting pattern pest pests phytophagous stemmata tubular worm yellow appearance attach attachments Australian bagmoth bagworm bagworm-moths Camouflage camouflaged case-moth caterpillar-larvae cocoon cocooned collected collection detritus distinctive forequarters larva-case larvae lepidoptera locomotion log-cabin-case-moth mobile mobile-case moths movement moving native natural psychidae sticks unusual black cinnabar distasteful England feed Great Britain nature orange poisonous ragwort Senecio striped Sussex Tyria jacobaeae weed bright bug color forage hawkmoth karnataka leaves plant Sphingidae spot spotted young