Anchylosed: grown together at a joint.
Ancipital: with two opposite edges or angles.
Androconia: specialized, usually small scales of peculiar form, found localized on some male butterflies.
Androgynous: uniting the characters of both sexes.
Aneurose: a wing without veins except near costa.
Angle: of tegmina, "is the longitudinal ridge formed along the interno-median by the sudden flexure from the horizontal to the vertical portion when closed."
Angular area: Hym.; the posterior of the three areas on the metanotum between the lateral and pleural carinae; = 3rd pleural area.
Angulate: forming an angle; when two margins meet in an angle.
Angulose: having angles.
Angulus: forming an angle: = angulate.