some of different little, soft-bodied insects associated with the family members Aphididae that have mouthparts especially adjusted for piercing and feed by sucking sap from plants. Also known as plant louse.
Sapsucking pest insect of the superfamily Aphidoidea; an aphidian.
one of several genus Aphis; an aphidian.
An aphidian; a plant-louse; a part of this genus Aphis or family Aphididœce (which see). In plural, the plant-lice: a general or indeterminate term the people in the genus Aphis, for the household Aphididœce, or of this suborder Phytophthiria.