Only known in SA from dead specimens on salt lake.
In WA N. costatus has been reared by M. Powell from billets of Exocarpos aphyllus (Leafless Cherry) with emergence on 23 Jan 2017, and adults have been collected from the foliage the same species (T.M.S. Hanlon, pers. comm., Jul 2020). Exocarpos aphyllus is widespread in SA and occurs in the area where the SA dead specimens were collected.
¹ Legend | regions | SA State Herbarium regions (map)
EA: Eastern, EP: Eyre Peninsula, FR: Flinders Ranges, GT: Gairdner-Torrens, KI: Kangaroo Island, LE: Lake Eyre, MU: Murray, NL: Northern Lofty, NU: Nullarbor, NW: North-Western, SE: South-Eastern, SL: Southern Lofty, YP: Yorke Peninsula |
| size | The ellipse is the correct size when printed, indicative on a desktop screen, and likely to be wrong on a mobile device. |