or margin: standing
out in relief by color or otherwise: conspicuous.

Promuscidate: with proboscis or extended mouth structure.

Promuscis: an extended mouth structure: has been applied to the long
tongue of bees and to the rostrate structure in Hemiptera.

Pronotal carina: in Orthoptera, the main or median carina on
pronotum.

Pronotum: the upper or dorsal surface of the prothorax.

Pronucleus: the nucleus of male and female elements, spermatozoa
and ova, the union of which forms the nucleus of a fertilized ovum.

Pronymph: is that stage in certain inctabolous insects in which the
larval tissues are completely broken down, and the imaginal tissues
are just beginning to build up.

Proparaptera: the paraptera of the prothorax: the terms erroneously
applied in this connection.

Propedes: = prolegs: q.v.

Prophragma: the anterior dividing wall of meso-thorax, which is horny
and, at its upper edge, bears the connecting membrane between
pro- and mesothorax.

Prop-leg: = pro-leg; q.v.

Propleura: the lateral portions of prothorax.

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.

Proscutellum: the scutellum of the pronotum.

Prostemmatic: = ante-ocular; q.v.

Prosternal: belonging to the prosternum.

Prosternal grooves: occur laterally in some Coleoptera. e.g. Elateridae,
to receive the antennae.

Prosternal epimera: the epimera of prothorax.

Prosternal episterna: the episterna of prothorax.

Prosternal lobe: in some Coleoptera, an anterior prolongation of the
prosternum which more or less conceals the mouth from below.

Prosternal spine: the curved mucro in Elateridae which extends
backward into a meso-sternal cavity: the cone or tubercle between
fore-legs in some Orthoptera.

Prosternal suture: that