Key to the species of Agoo

1. Process present on dorsal surface of paramere; pair of processes on aedeagus situated posterior, wings with distinct black spots........................................................................................ .. dahliana

1’. Process absent on dorsal surface of paramere, sclerotization on parts of parameres variable.......................... 2

2. Body yellow, forewings with longitudinal stripe............................................................ 3

2’. Body fuscous, wings hyaline................................................................. rubrimarginata

3. Stripe on forewing terminating in red with distal black spot; parameres with sclerotized lateral ridge............................................................................................. luzdenia Bahder & Bartlett sp. n.

3’. Stripe on forewing fuscous, no sclerotization on parameres................................................ xavieri