out
fertilization e.g. in certain plant lice.

Pseudovary: the organ or mass of germ cells of an agamic insect.

Pseudo-vitellus: a cellular organ in Aphididae, supposed to replace the
absent Malpighian tubules.

Psocoptera: = Corrodentia; q.v.

Psychogenesis: the origin and development of social and other
instincts and habits.

Pterodicera: with wings and two antenna.

Pterogostia: the wing veins.

Pterogostia: referring to the wing structure.

Pteropega: wing sockets or cavities into which the wings are inserted.

Pteropleura: in Diptera, are situated below the base of the wings
behind the meso-pleural suture: = the posterior lateral plate of
mesothorax of Lowne; the episternum of meso-thorax of Hammond.

Pteropleural bristles: in Diptera, are inserted on the pteropleura.

Pterostigma: a thickened, opaque spot on the costal margin of a wing,
near its middle or at end of the radius: = bathmis, and see stigma.

Pterotheca: that part of the pupa that covers the wings.

Pterothorax: the wing-hearing thoracic segments in Thysanoptera.

Pterygium: a lateral expansion of the snout of some Coleoptera.

Pterygodes: the patagia or tegtila: q.v.

Pterygogenea: insects that are winged in the adult stage or believed to
be descended from winged ancestors: see apterogogenea.

Pterygostium: a wing vein.

Pterygote: wing bearing.

Ptilinum: in Diptera cyclorrhapha, an inflatable organ capable of being
thrust out through a frontal suture just above the root of antenna.

Ptilota: winged insects.

Pubes or Pubescence: short, fine, soft, erect hair or down.

Pubescent: downy: clothed with soft, short, fine, closely set hair.

Pubis: the lateral region of the prothorax.

Pulmonarium: the membranous connection of the plates or scutes of
the abdominal rings: = connexivum.

Pulsatile: having the power of pulsating or moving in a rhythmic
manner: applied to special organs in the legs, which aid in circulating
the blood in these appendages.

Pulverulent: powdery or dusty in appearance.

Pulvilliform: having the appearance or structure of a pulvillus.

Pulvillus -i: soft, pad-like structures between tarsal claws: the
cushions of short, stiff hair or other clothing on the underside of
tarsal joints; rarely fleshy lobes: see arolium.

Pulvinatus: moderately convex.

Punctate: set with impressed points or punctures.

Punctiformis: shaped like a point or dot.

Punctulatus: with small punctures.

Puncture: an