What attracts stink bugs to my house?

Answered by John Hunt

Stink bugs can be a nuisance when they invade our homes, but understanding what attracts them can help us better prevent their entry. There are several factors that can attract stink bugs to your house, and I will explain each one in detail.

1. Light and reflective surfaces: Stink bugs are attracted to light sources, especially during the nighttime. They are often drawn to bright lights outside our homes, and when they see light reflecting off windows or other surfaces, they may mistake it for a source of light. This can lead them to land on these surfaces and eventually find their way inside.

2. Moisture: Stink bugs are also attracted to moisture, which is why you may find them in areas with high humidity or dampness. They are particularly drawn to areas with water sources, such as leaky pipes, dripping faucets, or areas prone to condensation. If you have any areas in your house with excess moisture, it’s important to address them to reduce stink bug attraction.

3. Food sources: Stink bugs are known to be attracted to certain types of food, particularly fruits. They have a preference for ripe or overripe fruit, as it provides them with a source of food and a place to lay their eggs. If you have fruit trees or keep fresh fruits in your home, it’s important to properly store them or dispose of any overripe fruits to minimize stink bug attraction.

4. Pheromones: Stink bugs release a scent or pheromone that can attract other stink bugs. When one stink bug finds a suitable environment, it may release this scent, signaling to other stink bugs that it has found a potential food or shelter source. This can result in more stink bugs being attracted to your house, especially if there is already an existing infestation.

Preventing stink bugs from entering your house is crucial in minimizing their attraction. Here are some measures you can take:

– Seal cracks and gaps: Inspect your house for any cracks or gaps in windows, doors, vents, or walls, and seal them properly. Stink bugs are tiny and can squeeze through even small openings, so it’s important to close off potential entry points.

– Install screens: Use screens on windows, doors, and vents to prevent stink bugs from entering while still allowing for proper ventilation.

– Reduce outdoor lighting: Consider using less outdoor lighting or switch to yellow or sodium vapor lights, as they are less attractive to stink bugs than white lights. Additionally, keeping curtains or blinds closed at night can minimize the reflection of light that may attract stink bugs.

– Fix moisture issues: Address any sources of excess moisture in your home, such as leaky pipes or faucets. Ensure proper ventilation in areas prone to condensation, such as bathrooms or basements, to reduce moisture levels.

– Store fruits properly: If you have fresh fruits, store them in airtight containers or in the refrigerator to prevent attracting stink bugs. Regularly check for any overripe fruits and dispose of them promptly.

By understanding what attracts stink bugs to your house and implementing preventative measures, you can reduce their presence and minimize the chances of an infestation.