Part 109

Phragmocyttares: social wasps in which the combs of the nest are wholly or partly supported by the covering envelope: see stelocyttares: poecilocyttares.

Phthiriasis: a diseased condition of the skin caused by sucking lice.

Phyllophagous: feeding upon leaf tissue.

Phylogenetic: relating to tribal or stem development.

Phylogeny: the development of a genus, family, tribe or class: see ontogeny.

Phyloptera: the super-ordinal term proposed to include all the net-veined orders, the Orthoptera and Dermatoptera.

Phylum: a stem or tribe: used in classification to indicate a series of related organisms.

Physopoda: bladder-footed: = Thysanoptera; q.v.

Phytophaga: plant-eaters: beetles in which the 4th and 5th tarsal joints are anchylosed and the 3d is lobed.

Phytophagus: feeding upon plants.

Phytophilous: plant loving: species that live on plants.

Phytophthira: plant lice: some authors include also scale insects.

Phytoscopic: characters of light or conditions of illumination that affect colors of caterpillars. {Scanner's comment: This is a puzzling term. I suspect it is a misspelling of "Photoscopic"}

Piceous -eus: pitchy black.

Picine: black, with a bluish oily lustre.

Pick: a chitinous maxillary structure in Psocidae.

Pieza: the combined biting and sucking mouth of the Hymenoptera.

Piezata: the Fabrician term for Hymenoptera.

Pigment: any coloring matter or material that gives a color appearance. {Scanner's comment: sic}

Pile: a hairy or fur-like covering: in Diptera, applied to thick, fine, short, erect hair, giving a surface appearance like velvet.

Pilifer or Piliger: a small sclerite at each side of the clypeus in Lepidoptera, resembling a rudimentary mandible.

Piliferous: with a covering of fine hair or pile.

Pillared eye: in Ephemerids, that type which is placed on a cylindrical stalk or process: = turbinate eye.

Pilous or Pilose: clothed with down, or dense pile: with long, sparse hair.

Pilosity: a covering of fine, long hair.

Pincers: the anal forceps.

Pinna: a narrow wing; a feather.

Pinnae: of posterior femur in jumping Orthoptera, are the oblique ridges running to the median line and somewhat resembling a feather.