♀. 19 mm. Head, thorax grey. Palpi dark grey, slightly speckled white. Forewings rather elongate, costa gently arched, apex pointed, termen very obliquely rounded; glossy bluish-grey; extreme costal edge dark grey on basal ¼, then finely whitish to near apex; plical stigma rather elongate, blackish; a fine indistinct whitish inwards-oblique line from dorsum before tornus reaching half across wing, beyond this some obscure fuscous irroration crossing wing obliquely: cilia grey-whitish irrorated fuscous. Hindwings dark fuscous; cilia grey, darker within a faint slender whitish subbasal line.[3]
Similar in appearance to Tingena nycteris but can be distinguished as T. tephrophranes is a shiny leaden grey colour and has a tornal suffusion.[4]
Distribution
This species is endemic to New Zealand and has been found at Mount Arthur.[1]
Behaviour
The adult of this species is on the wing in January.[3]
Habitat
This species inhabits subalpine native forests.[4]