Lysiphragma epixyla

Hudson described the larvae and pupa of this species as follows:

Its length when full-grown is about 1 inch. The head is bright reddish-brown; the second segment horny polished yellowish-brown; segments 3 and 4 are greyish-ochreous with a single row of minute warts and long bristles; the rest of the body is dull whitish-ochreous; each segment, except the last, having two elongate dorsal plates and five minute greyish lateral plates; the dorsal plates each have two warts and the lateral plates one wart, every wart emitting a long bristle; the terminal segment is dull brown with many bristles. The pupa is enclosed in a loose cocoon of silk and frass amongst the decayed wood.

Meyrick described the adults of this species as follows:

Male, female. — 24-29 mm. Head and palpi whitish-ochreous mixed with dark fuscous. Antenna? whitish-ochreous, spotted above with dark fuscous. Thorax dark fuscous irrorated with whitish-ochreous, posterior margin sometimes whitish-ochreous. Abdomen whitish-ochreous irrorated with grey. Legs dark fuscous, suffusedly ringed with whitish-ochreous, posterior tibiae whitish- ochreous. …

This species is endemic to New Zealand. It has been observed in both the North and South Islands.

Adults are commonly on the wing from November to January. Meyrick notes that this moth can usually be found at rest on tree trunks.