larva of a goat moth on the bark of a tree

animal assessment attack bark branch burrow butterfly caterpillar change characteristilimate close combat conservation control cossus crawler damage damaged danger dangerous drill eating ecosystem environment eradication evaluation feed forfeiture goat grub harm harmed host indication infestation insect inspection larva macro monitoring moth nature oviposition parasite pest plant protection quarantine superovulation symptom timber tree trunk vermin willow wood