Plagiognathus arbustorum is a small insect belonging to the family Miridae, commonly known as the plant bugs. It is found in various habitats across Europe and North America. This species is characterized by its elongated body, ranging in color from green to brown, and distinctive triangular-shaped head. Plagiognathus arbustorum feeds on the sap of various plants, making it an important pest in agricultural and horticultural settings.