Rejuvenescence: a renewal of youth; bringing back to a condition of
youth.

Remote: further removed than distant.

Reniform: kidney-shaped: applied to a macula approximating that
shape, found at the end of median cell in many moths.

Repand: wavy; with alternate segments of circles and intervening
angles.

Replicate: wings folded back upon the base; like the secondaries in
Coleoptera.

Replicatile: capable of being folded back.

Repugnatorial: serving to repel: so offensive as to drive away: applied
to glands that secrete an offensive material.

Reservoir: a case or cavity for the storage of any fluid or secretion.

Resilient: elastic; having the property of springing back.

Respiration: breathing or taking breath: union of oxygen with tissues
and liberation of carbon dioxide from same.

Restricted: held back: confined to a limited area.

Resupinate: upside down; horizontally reversed.

Rete: the fatty mass of insects: also applied generally to any
structureless membrane or layer.

Reticulate: like net-work.

Reticulum: a net-work; as of a cell.

Retina: that portion of the eye upon which the image is formed.

Retinaculum: in Lepidoptera, the loop into which the frenulum of the
male is fitted; = hamus, q.v.: in Hymenoptera, horny, movable scales
serving to move the sting or to prevent its being darted out too far: in
Coleoptera, the middle, tooth-like process of the larval mandible.

Retinal pigment: the pigment layer of the compound eye just above the
basilar or fenestrate membrane.

Retinophora: = retinula; q.v.

Retinula -ae: the retina of a single ocellus: the nerve fibres or cells
between pigment cells and retina of the compound eye.

Retracted: drawn back; opposed to prominent.

Retractile: capable of being drawn in or retracted.

Retractor: used in drawing in or back; as a muscle.

Retroarcuate: curved backwards.

Retrocession: the going or moving backward.

Retrose: (sinuate), pointing backwards; (serrate) inversely serrated.

Retuse: ending in an obtuse sinus or broad, shallow notch, terminated
by an obtuse hollow.

Reversed: turned in, an unusual or contrary direction, as upside down
or inside out: said of wings when they are deflexed, the margin of
secondaries projecting beyond those of primaries.

Reviviscence: coming back to life; awakening from hibernation.

Revolute: spirally rolled backward.

Rhabdites: the blade-like elements of the sting and ovipositor: a rod
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