al; the 3d or
posterior = angular area.
Pleural carinae: in Hymenoptera, extend along the exterior margin of
the metanotum.
Pleural pieces: the lateral sclerites of the thorax; see pleura.
Pleurites: the sclerites into which the pleurum is divided.
Pleuron: the side of the thorax.
Pleuropodia: embryonic or temporary bands formed by the modified
first pair of abdominal legs in many insects.
Pleurostict: lamellicorn beetles in which the abdominal spiracles are
situated on the dorsal portion of the ventral sclerites.
Pleurum: = pleuron; plural, pleura; q.v.
Plexus: a knot: applied to a knot-like mass of nerves, or tracheae.
Plica: a fold or wrinkle: a longitudinal plait of a wing.
Plicate: plaited; folded like a fan.
Plications: folding,; applied to the folds on the hind wings of
Orthoptera.
Plicipenna: = Trichoptera; proposed by Latreille.
Plumate: like a feather.
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: as a prefix, means many.
Pluri-dentate: with many teeth.
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 othe
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