Parasa viridiflamma Wu & Chang 2013

Adult (Figs 1–3). Measures. Wingspan 23–24 mm in male (n=7); 26 mm in female (n=1). Head. Antennae bipectinate in male, rami longer at basal part and gradually shortening to absent at 5/6 from base; filiform in female. Eyes black, round. Frons, vertex, labial palpi fringed with long, chestnut hair-like scales, 3rd labial palpal segment short. Thorax. Thoracic segments green with chestnut dorsal stripe. Forewing ground coloration chestnut with median large green patch delimited externally by white line which is in turn lined by brown border, all these pattern elements strongly incurved between cubitals and anal veins, less so towards termen; marginal scales ochreous. Hind wings chestnut, marginal scales ochreous. Abdomen. Abdominal segments fringed with long chestnut hair-like scales. Male genitalia (Figs 10, 11). Uncus robust, wide with hook-like apex. Gnathos. Gnathos large, sclerotized, apically narrowed; juxta plate-like with two lateral sides extending dorsally. Valva short, apex tongue-like. Aedeagus long, tubular, coecum strongly bent ventrally. Female genitalia (Figs 20, 21). Apophyses elongated, length of anterior and posterior ones equal; ductus bursae long; corpus bursae small, about 3.5 times shorter than ductus bursae, signum small, irregular-shaped.

This species is endemic to Taiwan. The adults occur in May and mid June to late August in mid-elevation mountain areas (1400–2610 m). The fresh individuals appear earlier in the season. Possibly univoltine. Hostplant unknown.