Gadira leucophthalma, the beaked moss moth, is a moth in the family Crambidae. It is endemic to New Zealand. It is found in the south eastern side of the South Island down to Banks Peninsula. G. leucophthalma inhabits the foredunes of coastal areas. The larval host is unknown but it has been hypothesised that the larvae feed on moss. The adult moths are day flying although some specimens have been trapped at night via light traps. Adults are commonly on the wing from March to April. This species has been classified as Nationally Vulnerable by the Department of Conservation.