''Gastrophysa polygoni'' is a species of

leaf beetle The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

in the subfamily

Chrysomelinae The Chrysomelinae are a subfamily of leaf beetles (Chrysomelidae), commonly known as broad-bodied leaf beetles or broad-shouldered leaf beetles. It includes some 3,000 species around the world. The best-known member is the notorious Colorado po ...

. It was described by Carl Linnaeus in 1758. The species can be up to 5mm long and is green-blue in colour. The

thorax The thorax or chest is a part of the anatomy of humans, mammals, and other tetrapod animals located between the neck and the abdomen. In insects, crustaceans, and the extinct trilobites, the thorax is one of the three main divisions of the cre ...

is orange and the wing cases are a metallic green, and the beetle can be seen in spring and summer.

References

Beetles described in 1758 Chrysomelinae Taxa named by Carl Linnaeus {{Chrysomelinae-stub