Propleural bristles: in Diptera, are situated immediately above the front coxa: = prothoracic bristle; q.v.
Propneustic: larval forms in which only the most anterior spiracles occur.
Propodeon: = propodeum.
Propodeum: in Hymenoptera, that part of thorax just above insertion of abdomen, and really the first abdominal segment: see median segment.
Propolis: a glue or resin-like product elaborated by bees to serve as a cement in cases where wax is not sufficiently tenacious.
Propulsatory: that which drives onward or forward.
Propupa: a semi-pupa: q.v.
Propygidium: the dorsal segment or tergite in front of the pygidilini, sometimes left exposed in Coleoptera.
Propygium: = Hypopygium: q.v.
Proscutum: the scutum of the pronotum.