Mnesarchella dugdalei is a species of primitive moths in the family Mnesarchaeidae.

M. dugdalei lives in damp but well lit forest sites at altitudes of between 200 m and 1300 m. Adults of this species are on the wing from October to December.

This species was first described by George William Gibbs in 2019 and named M. dugdalei in honour of John Stewart Dugdale.

[1] This species is small with pale brown forewings iridescent with brass colour tones.

[1] This species is endemic to New Zealand and found in the Auckland, Coromandel, Waikato, Bay of Plenty, Taranaki, Taupo, Gisborne and Hawkes Bay regions.