Incurvaria takeuchii is a moth of the family Incurvariidae. It is found on the main island (Honshu) of Japan.[1]
The wingspan is 15.5–19 mm for males and 10.5–18 mm for females. The forewings are glossy blackish-brown.
The larvae feed on Clethra barbinervis. They create and oval ellipsoidal case consisting of three pieces. The larva overwinters on the ground. Pupation takes place in spring.