The answer to 'stink bug droppings' is that stink bugs can leave behind small, brown or black fecal droppings that resemble pepper or coffee grounds. These droppings are often found on surfaces where stink bugs have been feeding or resting, such as windowsills, walls, or furniture. Stink bug droppings can be a nuisance and may stain surfaces if not cleaned up promptly.
Stink bugs are common household pests that feed on a variety of plants, including fruits, vegetables, and ornamental plants. They can also enter homes in search of overwintering sites, which is when you're most likely to see their droppings. While stink bug droppings are generally not harmful to humans, they can be an indicator of a larger stink bug infestation that may require professional pest control treatment.