Stink bugs invade homes in the fall to survive the winter. Once inside the house, they will go into a state of hibernation to wait for winter to pass. These insects are not known to cause harm to humans, although their large size, about ½ inch, and tough shield shaped back make them scary when they smack into the side of your head. They are various shades of brown on both the top and bottom and have stink glands located on the underside of the thorax.
The stink bug's ability to emit an odor through holes in its abdomen is a defense mechanism meant to prevent them from being eaten by birds and lizards. However as of 2012, native predators such as wasps and birds were showing increased signs of feeding on the bugs as they adapt to the new food source.
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