Tingena brachyacma

Meyrick described the species as follows:

♂. 18 mm. Head whitish-ochreous sprinkled with fuscous. Palpi whitish-ochreous, second joint and a median band of terminal joint irrorated with dark fuscous, terminal joint unusually short, about half second. Antennae pale ochreous suffusedly ringed with dark fuscous, uniformly pubescent-ciliated. Thorax whitish-ochreous suffused with brownish and irrorated with dark fuscous. Abdomen grey, segments dorsally banded with golden-ferruginous. Forewings elongate, costa gently arched, apex round-pointed, termen very obliquely rounded; ochreous-whitish, closely irrorated with brown; a triangular brownish patch above dorsum towards base, limited posteriorly by a fine inwardly oblique blackish line terminating beneath in a conspicuous raised black dot above 2⁄5 of dorsum, preceded by some whitish suffusion; discal stigmata large, round, brown, edged with a few black scales; a small blackish spot on dorsum at 4⁄5, whence proceeds a sinuate line of scattered blackish scales near termen, angulated in middle and continued to costa at 4⁄5, where it is somewhat dilated and preceded by a spot of whitish suffusion; a bar of brown suffusion from second discal stigma to tornus : cilia ochreous-whitish tinged with brown and irrorated with fuscous, at tornus with a grey bar preceded by whitish suffusion. …

This species is endemic to New Zealand. Other than the type locality of Invercargill, this species has also been collected at Waipori River and at Woodhaugh in Dunedin.