Neogene corumbensis
Diagnostic description:
Largely unicolorous brown.
Male: Similar to Neogene dynaeus, but the occipital band is cream, rather than brilliant white. Abdomen brown, rather than black as in Neogene dynaeus. Both wings upper- and undersides ground colour brown, rather than grey as in Neogene dynaeus. FWL: 23mm.
Female: Forewing upperside with white markings of Neogene dynaeus almost entirely absent. Hindwing upper- and undersides uniform brown. FWL: 25 mm.