lunule

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lunule

[′lün‚yül]
(biology)
A crescent-shaped organ, structure, or mark.
References in periodicals archive ?
2] discocellular; yellow subterminal lunules very broad in ventral view.
2) Hind wing dorsal surface with structurally coloured distinct submarginal lunules in spaces between veins CuA and CuA2; ventral hind wing abdominal fold black without pattern in basal and subbasal areas (Venezuela) (Figs.