Mythimna sequax

Adult. Forewing length 1.6–2.2 cm. Head from beige to orange-beige, mixed with dark scales of different hues; vertex and frons round; eye oval laterally; antenna filiform, triangular in cross section, covered dorsally with beige scales, ventrally naked, with tiny chemoreceptive trichoid sensilla and longer lateral chemoreceptive trichoid sensilla. Labial palp lanceolate between galeae. Forewings beige or orange-beige, mixed with dark scales; orbicular and reniform spots circular, inconspicuous, orange with smooth darker center; subterminal area with white or light beige scales over the veins. Hindwing pale, with marginal brown shading toward the base, fringe pale. Abdomen greyish-beige dorsally. Male genitalia: uncus elongated, flat, bent ventrally, widened medially, apical half abruptly narrowed to 1/5–1/6 of its width, covered with setae dorsally; fultura inferior subtriangular, about one third the length of ventral arms of tegumen and about seven times as long as its smallest width, distal portion bifid; aedeagus pipe-shaped; vesica tubular, elongate, with continuous band of cornuti from opposite side of diverticulum to subapical area, basal diverticulum elongate with single cornutus (rarely 2–4). Female genitalia: papilla analis subtriangular, covered with setae; lamella antevaginalis subrectangular; appendix bursae about twice length of ductus bursae but same width.

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