Explanation of Terms Used in Entomology
Agglomerate: heaped or massed together.
Agglutinate: stuck or glued together; welded into one mass.
Aggregated: crowded together as closely as possible.
Agnathous: without jaws; specifically applied to those Neuropteroid series in which the mouth structures are obsolescent.
Aileron: the scale covering the base of primaries in some insects; see tegulae in Diptera = alula and squama, q.v.
Air-sacs or vesicles: pouch-like expansions of tracheal tubes in heavy insects, capable of inflation and supposed to lessen specific gravity.
Air-tube: a respiratory siphon.
Ala -ae: a wing or wings.
Alar appendage: see alulet.
Alar frenum: a small ligament crossing the supra-alar groove toward the root of the wing: Hymenoptera.
Alary: relating to the wings: applied also to the wing muscles of heart.
Alate -us: winged; with lobes similar to wings in appearance though not necessarily in function.
Albi, albus: white.