''Eupithecia egena'' is a
moth in the family
Geometridae. It is found in
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
and
Nepal.
The species flies from mid-July to mid-September at an altitude between 1800 and 4000 meters above sea level.
Adults have grey-brown forewings and off-white hindwings. It resembles ''
Eupithecia lasciva
''Eupithecia lasciva'' is a moth in the family Geometridae. It is found in China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1. ...
'', but is larger. In addition, ''Eupithecia lasciva'' has an ochreous red patch in the distal area of the forewing and indistinct transverse lines, whereas in ''Eupithecia egena'', the transverse lines are much more distinct and the red patch is smaller or entirely absent.
References
Moths described in 1984
egena
Moths of Asia
{{Eupithecia-stub