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The stink bug belongs to the Family of the Pentatomidae.

Description
The stink bug reaches a length of 14 to 16 millimetres. It is coloured dirty yellowish-grey to brown with irregularly-distributed fovea on the top side of its body. The membrane of the forewings is often speckled dark brown. The lateral edge (Connexivum) of the opisthosoma or abdomen has black and yellow markings. The antennae are ringed with black and yellow markings, and the third and fifth segments of the feelers are coloured a bright yellow. On its underside, between the hips, there is a long spur. The mouth parts are in the form of a proboscis.

Modus vivendi
The bug feeds on various broadleaved woody plants. Occasionally it sucks on dead insects. In late spring the female sticks around 40 eggs in lines or discs on different parts of plants. The young bugs which hatch vary in colour and are flightless. Wing stumps are only recognisable after the third nymph stage. To protect against predators, young bugs have stink glands on their back; in the case of adults, these are to be found on the underside of the thorax. If threatened, a strong-smelling secretion is released. The stink bug is not a good flier; its sluggish flight makes loud humming noises. The stink bug displays diurnal, thermophilic activity. As with all Pentatomidae, it produces only one generation per year. It likes to overwinter on walls. In its search for a suitable winter quarters (splits and cracks) it often unwittingly finds its way into houses.

Distribution
The stink bug is distributed throughout the Palaeoarctic region, more commonly in the southern than in the northern parts of Central Europe, and in this area is the only species of the Genus Rhaphigaster.