Stethopachys formosa, the orchid beetle or dendrobium beetle, is an Australian insect found in northern New South Wales, Northern Territory and Queensland.

[3] This insect feeds on the flowers and leaves of orchids, often causing damage to cultivated plants.

[4] Dendrobium beetles are bright orange with large black spots on their wing covers.

[2] The adult beetle will also lay eggs on the leaves, buds, flowers, and seed pods of the plant.

[2] Once the beetle larvae has hatched, it will proceed to eat through the leaves and stems of the orchid plant.