Carposina eriphylla is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Carposinidae

Carposinidae

Carposinidae, the "fruitworm moths" is a family of insects in the lepidopteran order. These moths are narrower winged than Copromorphidae, with less rounded forewing tips. Males often have conspicuous patches of scales on either surface...

 family. It is endemic to New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

is about 26 mm. The head and thorax are whitish-greenish and the shoulders
olive-greenish. The palpi are whitish-greenish and the antennae are greyish-ochreous. The abdomen is pale whitish-ochreous and the legs dark fuscous. The forewings are elongate,
posteriorly slightly dilated, the costa gently arched, the apex obtuse and the hindmargin straight. They are pale greenish, irregularly irrorated with white, especially towards the hindmargin. There are about eight small black spots on the costa. The hindwings and cilia are whitish.

The larvae are thought to facilitate the development of rot in beech trees by keeping wounds open to the air.