Musotima aduncalis

Musotima aduncalis, also known as the maidenhair fairy moth, is a moth in the family Crambidae. It was described by Cajetan Felder, Rudolf Felder and Alois Friedrich Rogenhofer in 1875. This species is endemic to New Zealand.

Description
The larvae are green in colour with a dark head. Adults are variable in colour, ranging from white to ochreous yellow.

Behaviour
The larvae can be found on the underside of the fern fronds and create clear window like patches when consuming their host. The adult moth is on the wing from October to February.

Hosts
The larvae feed on Adiantum species.