Pupiparous: bringing forth young ready to pupate.
Pupivorous: feeding upon pupa: especially applied to those Hymenoptera that are parasitic upon insects in the pupal stage.
Purpurascent: becoming purple in shade.
Purpureous -eus: purple [mauve].
Pustular a colored point of moderate circumference.
Pustulated hair: in Mallophaga those arising from unchitinized spaces.
Pygidium: the last dorsal segment of abdomen left exposed by the elytra: in Forficulidw, the last dorsal segment: in Diaspincr, the compound terminal segment.
Pygofer: the last segment of the abdomen in certain Homoptera, especially the lateral margins which appear in the ventral view; hence sometimes used in the plural - pygofers.
Pygophore: the large upper piece of the genitalia in Homoptera.
Pygotheca: the parts containing the genitalia in Homoptera.
Pyloric: referring to the posterior extremity of the chylific ventricle.
Pyloric valve: the specialized posterior portion of crop where there is no distinct gizzard.
Pyloric valvule: a circular projection of the stomach behind which is an enlargement of the intestine.
Pylorus: the chylific ventricle.
Pyriform: shaped like a pear.
Quadra -ri -ro: as a prefix, means four.
Quadrate: square or nearly so.
Quadrifarium: having four rows.
Quadrilateral: four-sided: formed or bounded by four lines: in Odonata, a space on the wings of Zygoptera bounded by the lower sector of arculus, the sub-median vein, a cross-vein between these two, and the lower part of arculus.
Queen: the actively reproducing female among worker insects.
Quiescent: not active: applied to the pupae in forms with complete metamorphosis.
Quiet: subdued: not conspicuous or contrasting in color or maculation.
Race: a variety of a species possessing constant characters which yet are not specific; usually occurring in a different faunal region from the type and may thus be geographical: nearly synonymous with subspecies.
Racemose: like a bunch of grapes: applied to ovaries when they form bunches or sacs.
Rachis: a ridge or keel dividing the spinning canal at base, in caterpillars; the shank of an antennal joint into which the lateral spines or other processes are inserted.
Radial: pertaining to the radius or radial vein.
Radial area: in Orthoptera; the space between the mediastinal ( subcosta) and radial veins: see scapular area.
Radial cells: the wing area between the radius and media; often divided: in the plural (Comst.), are those cells anteriorly margined by the radius or its branches.
Explanation of Terms Used in Entomology · The Wunder Library — complete classics, free to read, with narration.