Discoidal area: the middle area or field: Trichoptera; that area of the tegmina between the posterior or anal and the anterior or costal areas = d. field.
Discoidal areolets: Odonata; a varying number of rows of cells on the outer side of the triangle between the short sector (M 4 of Comst.) and the upper sector of the triangle (Cu 1 of Comst.) = post-triangular cells := discal cells.
Discoidal cell: Hymenoptera (Norton) 1st medial 2, medial 3 and medial 4 (Comst.).
Discoidal field: see discoidal area.
Discoidal nervule: Lepidoptera; = media 1 (Comst.).
Discoidal triangle: Odonata - see triangle.
Discoidal vein: Diptera (Schiner), = media 2 (Comst.) anterior intercalary vein (Loew); Hymenopteran (Norton), = media 2 (Comst.), beyond the junction with the medial cross-vein: Trichoptera; the first and largest branch of the humeral vein.
Discoideous: =discoidal.
Discolored -orous: a different color from the surrounding, more or less contrasting; not concolorous.
Discota: insects in which development of the adults is from imaginal discs: see adiscota.