Pentatomidae, Greek pente meaning five and tomos meaning section, is a family of insect

Insect

Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

s belonging to order hemiptera

Hemiptera

Hemiptera is an order of insects most often known as the true bugs , comprising around 50,000–80,000 species of cicadas, aphids, planthoppers, leafhoppers, shield bugs, and others...

 that includes some of the stink bugs and shield bug

Shield bug

Pentatomoidea is a superfamily of insects in the Heteroptera suborder of the Hemiptera order and, as such, share a common arrangement of sucking mouthparts...

s. Their antennae are 5-segmented, which gives the family its scientific name. Their bodies are usually shield-shaped. The forewings of stink bugs are called hemelytra, with the basal half thickened while the apex is membranous (as are the hindwings).