Apical cells or cellules: Trichoptera; the series of cells along the outer margin of wing from pterostigma to arculus.
Apically: toward or directed toward the apex.
Apical sector: one of the longitudinal veins in the apical part of wing of Neuroptera.
Apical transverse carina: Hymenoptera; crosses the metanotum behind middle and separates the median from the posterior cells or areas.
Apiculis: an erect, fleshy short point.
Apiculate: covered with fleshy, short points.
Apivorous: devouring bees.
Apneustic: without an open tracheal system; respiration is through the skin or through tracheal gills.
Apocrita: = petiolate, q.v.
Apodal: with single, simple tubercles instead of feet, in larvae; without feet = apodous.