Orocrambus callirrhous

Orocrambus callirrhous is a moth in the family Crambidae. It was described by Edward Meyrick in 1883. It is endemic to New Zealand. It has been recorded from the eastern and central part of the South Island and the coast near Wellington and Whangārei on the North Island.

Taxonomy
O. callirrhous was first described by Edward Meyrick in June 1882 and named Crambus callirrhous. Meyrick gave a fuller description of this species in May of 1883. The lectotype specimen, collected at Lake Guyon by R. E. Fereday, is held at the Natural History Museum, London.

Description
The wingspan is 24–32 mm. Adults have been recorded on wing from December to April.

Hosts
The larvae feed on Festuca novaezealandiae.