The answer to 'stink bug nests' is that stink bugs do not build traditional nests like some other insects. Instead, stink bugs tend to congregate in large groups, often in sheltered areas like cracks, crevices, and under tree bark. Stink bug infestations are typically identified by the presence of many stink bugs clustered together, as well as the distinctive odor they produce when disturbed.
If you suspect a stink bug infestation in your home, the best course of action is to contact a professional pest control technician. They can properly identify the issue, recommend appropriate treatment methods, and ensure the infestation is fully resolved. DIY attempts to remove stink bugs may be ineffective and could potentially spread the problem further.