Nezara viridula, commonly known as the southern green stink bug (USA), southern green shield bug (UK) or green vegetable bug (Australia and New Zealand), is a plant-feeding stink bug. Believed to have originated in Ethiopia, it can now be found around the world. Because of its preference for certain species of legumes, such as beans and soybeans, it is an economically important pest on such crops.
Several distinct morphs can be distinguished by the pattern of their exoskeleton coloration. The most common morph is predominantly green (Nezara viridula f. smaragdula), a less common morph is green with white or yellowish front margins on the head and the thorax (Nezara viridula f. torquata Fabricius, 1775) and a very rare morph has a uniformly orange or yellow (occasionally pink) coloration (Nezara viridula f. aurantiaca).
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