Triphysa nervosa is a butterfly of the family Nymphalidae. It is found in northern Transuralia, the mountains of southern Siberia, eastern Siberia, Amurland, the Russian Far East, Korea, northern and north-eastern China and Mongolia.[1]
The wingspan is 15–18 mm.[2] Seitz-nervosa Motsch. (= albovenosa Ersch.) (48 i) is very like phryne, but in both sexes without ocelli on the underside.[3] Adults are on wing from May to June or June to July in the mountains.
The larvae feed on Carex species.