Bityla defigurata is a moth of the family Noctuidae.[1] It is endemic to New Zealand.
This species was first described by Francis Walker in 1865 using specimens collected by T. R. Oxley in Nelson and originally named Xylina defigurata. Edward Meyrick placed this species in the genus Bityla and synonymised Bityla thoracica with this species.[2] The female holotype is held at the Natural History Museum, London.[3]
Walker described this species as follows:
It is endemic to New Zealand and found in both the North and South Islands.
The adults of this species are on the wing from January to March and is attracted to light.[4]
The larvae of this species have been reared on Muehlenbeckia australis and Muehlenbeckia complexa.[5]