Oidaematophorus vafradactylus

Oidaematophorus vafradactylus is a moth of the family Pterophoridae found in Estonia, Finland and Sweden.

Description
The female ostium is positioned in the center of genitalia, and deeply excavated. The antrum is 1 1/2 mm in length and in width, and is narrowed. The males have a saccular spine which is curved that is located on the left side of the valve, with the right side is much simpler.

The wingspan is 23 - 24 mm. Adults are on wing in July and August.

The larvae possibly feed on willowleaf yellowhead (Inula salicina).