On February 1, 1994, the company filed a sound trademark application for the distinctive sound of the Harley-Davidson motorcycle engine: The mark consists of the exhaust sound of applicant's motorcycles, produced by V-twin, common crankpin motorcycle engines when the goods are in use.
Larvae, or young moths, will also eat paper, dust, and materials covered in oil. Clothes moths are also known to infest deceased insects, hair, and animal remnants that have dried out. Caterpillars make small holes in fabricânot mothsâthough the adult moths may be seen on the surface of clothing that has been damaged.
The caterpillars (young) of butterflies eat leaves and plant parts. Different types of caterpillars eat different types of plants. Adult butterflies themselves do not eat, but drink. They usually feed on nectar from plant flowers or tree sap. Some butterflies will feed on the sugars in rotting fruits. The Harvester butterfly actually pierces the bodies of woolly aphids and drinks their fluids.