Oberthueria falcigera is a moth in the family Endromidae.

It is found in Japan[1] (Hokkaido, Honshu, Shikoku, Kyushu).

[2] Adults are on wing from June to late August, probably in two generations per year.

[3] The larvae feed on Acer and Quercus species.

They have a peculiar cobra-like thorax and a long anal horn.