Polyzosteria cupreaCollection Highlights | Updated 1 decade ago Polyzosteria cuprea Image copyright Polyzosteria cuprea Saussure, 1863. This native cockroach is endemic to south-western Australia. It belongs to a genus of large, wingless and stunningly coloured cockroaches found across Australia, especially southern Australia. The most northerly record in our collection of Polyzosteria cuprea is from Evanston, the most southerly records are from Albany and Walpole, the most westerly record is Glenbourne Farm near the Margaret River, and the most easterly record is from Hopetoun. Entomology (Insect) Collection