This beetle is superficially similar to the more common Paropsisterna nigerrima but there are three clear differences:
It has very fine puncturations as does paropsisterna morio.
The red stripes are abbreviated and
The lateral elytral margin is black instead of red.
Paropsisterna semivittata is listed in the following regions:
Canberra & Southern Tablelands | South Coast | New England
Maps
Batemans Marine ParkPlaces
Sunshine Bay, NSW