Perigrapha, Lederer, 1857

Key to the Iranian species of the genys Perigrapha View in CoL based on the characters of the adult and the male genitalia ( Ronkay et al., 2010; Shirvani et al., 2012)

1 Complex of stigmata laced (like a twisted thread), reniform stigma serrate, ampulla short, slightly curved. .................................................................................................................................................................................... 2

— Stigmata field simple, ampulla very long, strongly curved. ......................................................................... 3

2 Forewing narrow, stigmata field large, hindwing's transverse line running closer to outer margin, cuculli more asymmetrical with more pointed apex. ................................................................................. benedeki

— Forewing wider, stigmata field more laced, hindwing's transverse line not as mentioned in the preceding entry, cuculli less asymmetrical. ............................................................................................. annau View in CoL

3 Wingspan large ( 40–45 mm), cross lines double, sharply defined, cuculli wide-fork-shaped, vesica either tubular or medially dilated.. .............................................................................................................................. 4

— Wingspan medium-large ( 33–40 mm), cross lines simple, cuculli either vulture-head-like or knobshaped, vesica tubular. ....................................................................................................................................... 5

4 Vesica medially dilated. .............................................................................................................................................. flora View in CoL

— Vesica tubular with basal diverticulum. ................................................................................................... cilissa View in CoL

5 Subterminal line wide, valvae broad, cucullus, knobbed.. .................................................................... gyurirani

— Subterminal line simple, valvae narrow, cucullus tapering, vulture-head-like. .............................. mithras View in CoL