a caterpillar is a mean of bubble
lappet_caterpillar is caterpillar. webworm is caterpillar. tent_caterpillars is caterpillars. tent_caterpillar is caterpillar. caterpillar is larva. bollworm is caterpillar. caterpillar_tree is tree. air_bubble is bubble. tent_caterpillar is animal.