Paramorpha marginata 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 11 mm. The head, palpi, antennae and thorax are white. The abdomen is ochreous white and the legs are fuscous mixed with whitish. Forewings with costa moderately arched, apex rather angular, termen rounded, oblique. They are white, rather greyish except along the costa. The hindwings and fringes are shining white. It is similar to Carposina maculosa

Carposina maculosa

Carposina maculosa is a moth of the Carposinidae family. It is endemic to New Zealand, where it is known from the Lyttelton Hills and Otago....

, but can be distinguished by the small size and the yellow margin of the costa of the forewing.