Parapleura: the sternal side pieces in beetles.

Parapodia: the pro- or false legs: more specifically applied to the jointed abdominal processes of the Symphyla.

Parapsidae: the small sclerites on each side of the scutellum in Chalcids, marked by the parapsidal grooves.

Parapsidal furrows: longitudinal grooves on each side of the mesoscutum of Proctytrypidae separating the parapsides from the middle lobe.

Parapsidal grooves: the grooves or furrows on each side of the Chalcid scutellum, defining the parapsidae.

Parapsides: lateral pieces of the meso-scutum, separated from the mesal portion by the parapsidal furrows.

Parapteron -era: small sclerites, articulated to the dorsal extremity of the episternum, just below the wings; absent on prothorax = the tegulae of Hymenoptera, and patagia of Lepidoptera: have been homologized with the elytra of Coleoptera.

Parasita: = parasitica: q.v.

Parasite: a species that lives in or on another animal or insect, and depends upon the tissue of the host for its food supply.

Parasitic: living on or in some other animal or insect in such a way as to derive all nourishment from the tissues of the host.