Orocrambus dicrenellus is a moth in the family Crambidae.[1] This species was first described by Edward Meyrick in 1882 under the name Crambus dicrenellus.[2] It is endemic to New Zealand.[3] It has been recorded from the central part of the South Island.
O. dicrenellus was first described by Edward Meyrick in June 1882 and named Crambus dicrenellus.[4] Meyrick gave a fuller description of this species in May 1883.[5] The male lectotype specimen, collected at Mount Hutt by R. E. Fereday, is held at the Natural History Museum, London.[6]
The wingspan is 29–33 mm. Adults have been recorded on wing from November to February.[7]