Mallobathra angusta is a moth of the family Psychidae.[1] [2] This species is endemic to New Zealand.
This species was described by Alfred Philpott in 1928 using a male specimen collected at the Mount Arthur tableland track at 3000 ft.[3] George Hudson discussed and illustrated this species in his 1939 book A supplement to the butterflies and moths of New Zealand.[4] The holotype is held at the New Zealand Arthropod Collection.
Philpott described the adult of this species as follows:
This species is endemic to New Zealand and has been collected at Mount Arthur.
Adults of this species are on the wing in November.