Orocrambus aethonellus

Orocrambus aethonellus is a moth in the family Crambidae. It was described by Edward Meyrick in 1883. It is endemic to New Zealand. O. aethonellus has been recorded from the South Island. The habitat consists of sandhills and bogs at sea level, up to altitudes of about 1,200 meters.

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

Description
The wingspan is 13–20 mm for males and 15–21 mm for females. Adults have been recorded on wing from late October to late January.