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Green stink bug

Chinavia hilaris

The adults in this species are 14 to 19 mm long. They have shield-shaped bodies, like all bugs in the Pentatomidae family. They are green, with orange edges, and a few dark spots on the edges of the abdomen. The base of the forewings is leathery, and the tip is membranous. These insects have piercing-sucking mouthparts.

The young bugs, called nymphs, are black when they hatch and turn green, yellow or orange as they grow. They resemble small adults, but without functional wings or reproductive organs.

Stink bugs


Pentatomids owe their name to the fact that their antennae are divided into five segments (from the Greek penta, or five). This characteristic is less obvious than their shield-shaped bodies, which has also earned them the name “shield bugs.” There is a triangle (scutellum) where the wings join. Their heads are generally small.

The shape of the mouthparts of these piercing and sucking insects depends on their diet. In herbivores, the first segment of the rostrum is slender and located under the head. In predatory stink bugs, this segment is larger and projects in front of the head.

Most of these insects give off a very foul odour when they are disturbed. They produce these repellent secretions from glands on the abdomen, near the rear legs.

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