These beetles use the pie dish to carry around their own water supply. They are not native to Australia, but I found them fascinating. - Picture of Daintree Entomological museum, Diwan - Tripadvisor
Pie Dish Beetles (Helea sp., Family Tenebrionidae, Order C… | Flickr
Esperance Blog: Helea and a Sympetes species from the SE of WA
Peter Rowland - Photographer & Writer - The Pie-dish Beetle (Helea scaphiformis) is black, oval shaped, with longitudinal ridges down centre of elytra, margins of body flattened to form a pie-dish shape.
Weirdest Insect Ever! - "Hairy Pie Dish Beetle" - YouTube