Määritelmä: Mouthparts modified into long or short, sclerotized piercing devices that are used to penetrate the host/prey/substrate to gain access to food, and liquids are transported through the food canal with the aid of a pressure gradient created by a sucking pump.
Määritelmä: A structural quality inhering in a bearer by virtue of the bearer's being thicker or more closely packed together; pressed tightly together.