♂. 16 mm. Head, thorax and abdomen blackish-fuscous. Antennae blackish-fuscous, ciliations in male 2 ½. Forewings, costa moderately arched, subsinuate, apex rounded, termen oblique; dark brownish-fuscous obscurely strigulated with ochreous; an undefined patch of paler ochreous on dorsum near base; a large spot of whitish-ochreous on dorsum beyond middle; fringes dark purplish-fuscous. Hindwings and fringes dark fuscous with purplish sheen.[2]
This species is similar in appearance to M. strigulata but lacks the large dark dorsal patch on the wings of M.strigulata.[2] It is also similar in appearance to M. fenwicki but is larger and darker.[2]
Distribution
This species is endemic to New Zealand.[1] This species has been observed in the West Coast and the Wellington regions and has also been collected at Homer.[4][6]