It was described by Baron Cajetan von Felder and his son Rudolf Felder in 1862 .
Hermeuptychia fallax is a species of butterfly in the family Nymphalidae .
Hermeuptychia fallax was described by Baron Cajetan von Felder and his son Rudolf Felder in 1862 .
Hermeuptychia fallax is a species of butterfly in the family Nymphalidae .