Spiny-shouldered Stink Bug

Scientific Name: Stiretrus anchorago

Order & Family: Hemiptera, Pentatomidae

Size: Typically 7-10 mm (0.28-0.39 inches) in length.

Spiny-shouldered Stink Bug

Natural Habitat

Gardens, agricultural fields, and other vegetated areas where prey insects are available. Found on various plants.

Diet & Feeding

Predatory, feeding on a variety of other insects, including caterpillars and beetle larvae, which are often considered pests.

Behavior Patterns

This stink bug is a beneficial predator in ecosystems. Adults and nymphs actively hunt and feed on their prey. Like many stink bugs, they can release a foul-smelling liquid when disturbed as a defense mechanism.

Risks & Benefits

This insect is highly beneficial to agriculture and gardening as it preys on many common plant pests, helping to control their populations naturally. There are no known risks to humans; they do not bite or sting and are not considered pests themselves.

Identified on: 9/29/2025