Post-scutellum: the fourth and posterior sclerite of the dorsum of the thoracic rings.

Post-sutural: in Trichoptera, the little plate behind the scutellum of mesothorax: = post-scutellum.

Poststigmatal: that portion of the marginal cell beyond the stigma in bees: = 2d radial 1 (Comst.).

Post-stigmatal primary tubercle: on thoracic segment of caterpillars; sub-primary, stigmatal, posterior; it is III of the thorax and not present on abdomen (Dyar).

Post-subterminal: following the s. t. line in Lepidoptera.

Post-sutural bristles: in Diptera, dorsal bristles behind transverse suture.

Post-terga: applied to the posterior scutes of the segments of Coleopterous larvae.

Post-triangular cells: = discoidal areolets; q.v.

Post-vertical cephalic bristles: in Diptera, are in the middle of upper part or Occiput.

Pouch: in Trichoptera, a depressed, usually longitudinal area in a wing.