THE FAN-FOOT, Zanclognatha/Herminia tarsipennalis, is one of several fan-foots (fan-feet?).
Wingspan 30-35mm; UK flight Jun-Jul.
The SMALL FAN-FOOT, Herminia grisealis, is similar but has a straight line near top instead of wavy
and a curved line at the bottom instead of straight. Wingspan 24-28mm; flight Jun-Aug.