Parthenogenetic: see asexual.

Parthenogenesis: reproduction by direct growth of germs from egg-cells without fertilization by the male element: as in plant lice, gall wasps, etc.

Particolored: partly of one, partly of another color: divided into two or more color fields.

Partite -us: divided; e.g. the eyes of Gyrinidae. Parum: not much.

Patagium -ia: in Lepidoptera, those sclerites that cover the base of primaries: often used as synonymous with tegula and squamula, q.v.: assigned by some writers to the pro-, by others to the meso-thorax: homologized with the paraptera of meso-thorax.

Patella -ae: the modified joints of anterior tarsi in Dytiscidae; plate- like, horny or spongy structures on the undersides of the tarsal joints: the first coxal joint.

Patellar: pertaining to the knee-joint or cap.

Patellariae: in Dytiscids, the unequal, cup-like impressions on the underside of the patella.

Patens, Patentes: open; diverging; spreading apart.

Patric: home or country of origin.