''Eva flexa'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

in the family

Geometridae The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''metr ...

. It is found in China (Tibet and Yunnan). The forewings are dark olive-brown with well marked medial and postmedial lines. There is a large discal dot and there are orange discal and substernal streaks.

References

Moths described in 1981 Eupitheciini {{Eupitheciini-stub