Squamiform: having a scale-like form.
Squamose -ous: scaly or covered with scales.
Squamula: a small corneous scale covering the base of primaries in some insects: = tegula, q.v.: in Diptera, = alula.
Squarrous: scurfy: clothed with rough scales differing in direction, standing upright, or not parallel to the surface.
Stadium -ia: the interval between the molts of larvae:= instar q.v.: any one period in the development of an insect.
Stage: refers to the period of development; e.g. larval, pupal, etc.
Stalked bodies: = gyri cerebrales; q.v.
Stellate: star-shaped; with four or five radiating lines.
Stelocyttares: social wasps in which the comb layers of the nest are supported by pillars and not connected with the envelope: see poecilocyttares and phragmocyttares.
Stemapoda: the modified filamentous anal legs of Cerura and other Notodontid larvae.