Phleboptera: = Hymenoptera; q.v.
Phonetic: sound producing; applied to stridulating structures.
Phosphorescent: shining or glowing in the dark, like phosphorus.
Photogenic: a light producing structure; producing a Phosphorescent glow.
Phragma: a partition or dividing membrane: longitudinal, thin partitions passing down from the dorsum of meso- and meta-thorax: the partition formed by the inflexed hinder edge of prothorax.
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.