As well as the moth species in New Zealand, this name has been applied, perhaps incorrectly, to moths found in India, Indonesia, the Malay Peninsula, and Réunion, as well as in Australia, from the Northern Territory and northern Queensland to New South Wales and South Australia.
[2] B. arenosella was first described by Francis Walker in 1864 using specimens collected in Auckland, New Zealand by Daniel Bolton.
[4] The application of this name to these moths has been argued to be incorrect as the New Zealand species is known to feed on scale insects.
Fore wings narrow, acute, thinly and very minutely brown-speckled; a small brown dot in the disk at one-third of the length.
[7] The larvae of the south east asian moths have been reported damaging flowers of coconut trees.