Plumbeus: leaden or bluish gray [neutral].
Plumose: feathered; like a plume: antennae that have long ciliated processes on each side of each joint: see cirrate.
Plump: with full, rounded outlines; not obese.
Plumules: specialized scales of the androconia of male Lepidoptera.
Pluri-setose: bearing several seta; as the head in some Carabids.
Pluri-valve: with several valves or valve-like appendages.
Pneumogastric: the ganglion supplying nerves for the tracheal and digestive system: also used as = vagus: q.v.
Pneustocera: breathing horns: the prolongations of the metathoracic spiracles in Berytidae, etc.
Pnystega: in Odonata, applied by Charpentier to a portion of mesonotum.
Pobrachial: a longitudinal vein of the Ephemerid wing just behind praebrachial; usually simple: number 7 of some systems.
Podeon: in Hymenoptera, the petiole: the true second abdominal segment.
Podex: the upper plate of the anal opening; = supra-anal or sur-anal plate in caterpillars.
Podical plates: the latero-ventral plates attached to the loth abdominal segment of Orthoptera; the two pieces on each side of the vent, thought by Huxley to be rudiments of an 11th abdominal ring; united they form the tergite of a rudimentary ring: = anal valves: paranal lobes.
Pododunera: apterous insects with biting mouth structures.
Podotheca: that part of pupa that covers the legs of future adult.
Poecilocyttares: social wasps that build their combs around the branch or other support covered by the envelope: see stelocyttares and phragmocyttares.
Poison glands: sometimes applied to the salivary glands of bugs and biting flies; more usually to an abdominal gland connected with the sting of female Hymenoptera.
Policate: a tibia produced inwardly into a short, bent spine or thumb.
Pollen: a dusty or pruinose surface covering which is easily rubbed off; used mostly in Diptera.
Pollen-plate: a polished area margined by hair, on the outer face of the tibia in bees.
Pollex: a thumb: the stout fixed spur at inside of tip of tibia.
Polliniferous: formed for collecting pollen: pollen bearing.
Pollinose: covered with a yellow, pollen-like dust.
Polyandry: where a female mates with more than one male.
Polydomous: applied to ants when one colony has several nests.