Auxiliary: additional, or supplementing.
Auxiliary vein: in Diptera (Will.), = subcosta (Comst.).
Axillae: two small, subtriangular sclerites at the lateral basal angles of the meso-scutellum in Proctytripidae.
Axillary: placed in the crotch or angle of origin of two bodies; arising from the angle of ramification.
Axillary area: see anal area.
Axillary calli: see calli axillary.
Axillary cell: in Diptera (Will.), = 2d anal (Comst.).
Axillary excision: = a. incision, q.v.
Axillary incision: Diptera; an incision on inner margin of wing, near base, which separates the alula from the main part.
Axillary lobe: the sclerite covering the base of the wing in Diptera; see also alula and posterior lobe.
Axillary vein: one or two longitudinal veins toward the inner margin from the anal vein (Ephemeridae); a group of several (10-20) radiate veins that occupy the anal field in Orthoptera.
Axis: a small process at base of elytron, upon which it turns.
Azure -eus: clear sky-blue [cobalt blue].
Azygos: unpaired; a structure without a fellow; sometimes applied to an unpaired oviduct specifically the enlarged portion of the vagina at the junction of the oviducts and thus = uterus.
Baccate -us: berry-like: applied to bladder-like ovaries from the surface of which the short ovarian tubes arise.
Back: the dorsum or upper surface.
Baculiform: rod or staff-like.
Badius: liver-brown; clearer and lighter than castaneus [dragon's blood].
Baenomere: a leg-bearing (thoracic) segment.
Baenopoda: the thoracic legs.
Baenosome: the thorax.
Balancers: see halteres.
Bald: without hair or other surface vestiture: see bare.
Band: a transverse marking broader than a line.
Bar: a short, straight band of equal width.
Barb: a spine armed with teeth pointing backward.
Barbate: furnished with barbs; hair with spines or spurs directed backward.
Barbated: bearded; in antennae with tufts or fascicles of hair or short bristles on each side of each joint; = brush-like: on the abdomen, with flat tufts at the sides or tip.
Explanation of Terms Used in Entomology · The Wunder Library — complete classics, free to read, with narration.