Didymoctenia is a monotypic moth genus in the family Geometridae and subfamily Ennominae which was described by Warren in 1901.

Its only species, Didymoctenia exsuperata, the thick-lined bark moth, was first described by Francis Walker in 1860.

[1] Early instar caterpillars are brownish white with varying dots with a brown head.

As the caterpillar reaches its last instar it turns green and will be almost completely covered in small black dots.

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