pentatomid

Pentatomidae is a large family of insects in the order Hemiptera, commonly known as shield bugs or stink bugs. This family is characterized by its distinctive shield-like body shape, hence the common name. Pentatomids are found worldwide and inhabit a wide range of environments, from forests and grasslands to agricultural fields and urban areas. They are herbivores, feeding on plant juices through their piercing-sucking mouthparts. Their diet varies depending on the species, but commonly includes fruits, seeds, leaves, and stems.

A defining characteristic of pentatomids is their ability to produce a foul-smelling secretion from scent glands located on their thorax. This secretion serves as a defense mechanism against predators. The coloration of shield bugs can be highly variable, ranging from drab browns and greens to bright, metallic hues, often serving as camouflage or a warning signal. Many species are considered agricultural pests due to the damage they inflict on crops, while others are beneficial as predators of other insects or as natural indicators of environmental health. Reproduction typically involves the laying of egg clusters, often on the undersides of leaves. The nymphal stages resemble smaller, wingless adults and undergo several molts before reaching maturity.