The Miena Jewel Beetle (Castiarina insculpta) is a beautiful bright metallic blue-green colour with bright yellow patches on the grooved wing coverings ending in sharp inwardly pointing spines. The Miena Jewel Beetle is endemic to Tasmania and occurs in the Great Lake/Lake Augusta area of the Central Plateau. The species has been recorded in open subalpine woodland and heath above 900 m elevation where it feeds on Ozothamnus hookeri. There is insufficient information available to estimate the total population size of the Miena Jewel Beetle, but good populations have been recorded at three localities. Threats to the species include loss of habitat through conversion, grazing or fire, illegal collection, and climate change. Management objectives include better documenting the distribution of the species and increasing public awareness of the species.
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