Perigonia pallida
Diagnostic description:
Similar to Perigonia stulta but generally paler, forewings narrower. Labial palp segment 1 with a white lateral line. Forewing upperside almost identical to Perigonia stulta but paler. Hindwing upperside very similar to Perigonia stulta but brown border narrower and basal patch deeper yellow tint.
Male genitalia: Uncus and gnathos as in Perigonia stulta. Valve with patch of spines above harpe more extensive than in any other Perigonia species. Harpe as in Perigonia stulta. Phallus as in Perigonia grisea but whip much longer.
Female genitalia: Sterigma broadly rounded; ostium bursae postmedian, the edges raised, the proximal edge sinuate medially.