Trachypepla nimbosa is a species of moth in the family Oecophoridae. It is endemic to New Zealand. This species has been collected in Auckland as well as one specimen in the West Coast. Adults are on the wing in January however the West Coast specimen was collected in November. This species is classified as "Data Deficient" by the Department of Conservation.
♂︎, 12 mm. Head and thorax purplish fuscous; face mixed with ochreous. Palpi bright ochreous mixed with blackish, apex of terminal segment black. Antennae fuscous annulated with ochreous, ciliations in ♂︎2. Abdomen light purplish fuscous. Legs greyish fuscous mixed with ochreous, tarsi annulated with bright ochreous. Forewings elongate, costa moderately arched, apex rounded, termen rounded, oblique; dark fuscous with some whitish ochreous admixture; scale-tufts blackish tipped with ochreous (a basal one and plical and first discal spots); an obscure costa before apex : fringes concolorous with wing, but with faint darker basal line. Hindwings dark brownish fuscous : fringes dark fuscous with darker basal line.[2]
Distribution
This species is endemic to New Zealand.[1][5] This species has been collected at the type locality of Kauri Gully as well as at other locations in Auckland and once on the West Coast.[6][7]
Biology and behaviour
The adults of this species are on the wing in November and January.[4][7]