Ichneutica ustistriga, also known as the large grey owlet,[4] is a moth of the family Noctuidae.

This moth has a mauvish grey wing colour and is unlikely to be confused with other species as the patterns on its forewing are distinctive.

Adult moths can be found at rest on fences and tree trunks during the day.

This species was described by Francis Walker in 1857 using a specimen obtained from William Colenso.

[3] This moth has a mauvish grey wing colour and is unlikely to be confused with other species as the patterns on its forewing are distinctive.

[3][6] Adult moths can be found at rest on fences and tree trunks during the day.