Leptocroca xyrias is a species of moth in the family Oecophoridae. The taxonomy of this species is in need of revision and L. xyrias likely belongs to a separate genus. It is endemic to New Zealand. It has been classified as Data Deficient by the Department of Conservation.
This species was described by Edward Meyrick in 1931 from a specimen collected at "Blackmillar" (Black Miller Stream) at Kaikà Âura by Stewart Lindsay in December. George Hudson discussed and illustrated this species in his 1939 publication A supplement to the Butterflies and Moths of New Zealand. The genus level classification of this species is regarded as unsatisfactory. As such the species is also known as Leptocroca (s.l.) xyrias. The holotype specimen is held at the Canterbury Museum.
Meyrick described the species as follows:
This species is endemic to New Zealand. It is only known from its collection site in Kaikà Âura.
This species is on the wing in December.
This species has been classified as having the "Data Deficient" conservation status under the New Zealand Threat Classification System.