Temognatha heros, the yellow jewel beetle or large jewel beetle, is a species of beetles belonging to the family Buprestidae.
Temognatha heros can reach a length of about 60-.[1] It is the biggest within the genus Temognatha.[2] The basic body colour is yellowish-orange, while pronotum is dark reddish. Elytra are punctato-striate. Legs show a metallic blue color.
The adults feed on the flowers of various trees and shrubs (especially Eucalyptus leptophylla,[3] Eucalyptus foecunda, Melaleuca pauperiflora and Melaleuca uncinata.[4]
Larvae are wood-borers of Casuarina species, Eucalyptus gracilis, Eucalyptus oleosa, Eucalyptus foecunda and Melaleuca uncinata.[4]
This species is present in South and Western Australia (New South Wales and Victoria).[1] [5] These beetles can be found in drainage basins and coastal and oceanic zones.[6]