Parasitica: the sucking lice: wingless; without metamorphosis; mouth with piercing lancets; thoracic segments similar; habits epizoötic.
Parasitism: a form of symbiosis in which one party lives upon or at the expense of the other, makes no return and destroys its host: see symbiosis; commensalism.
Parastigma: = pterostigma; q.v.
Parastigmatic glands: small, circular glands, which secrete a waxy powder, sometimes present around the spiracles of Coccidae.
Paratype: is every specimen of the series from which the type was selected see type and cotype.
Parse: sparse or sparsely.
Parcidentate: with few teeth.
Parenchymatous: composed of soft cellular and connective tissue.
Parietes: walls: the perpendicular sides of elevated bodies.
Paronychium-ia: one or more bristle-like appendages of onychia; q.v.