Are Your Outdoor Lights Attracting Bugs
November 13, 2024

How to Keep Bugs Away from Your Lights

As the evening settles in and outdoor lights begin to glow, it’s common to notice a small swarm of bugs congregating near porch lights, doorways, and even landscape fixtures. For many homeowners, this insect influx can be a major nuisance, especially when it feels like these bugs are drawn in from all corners of the yard. But why are bugs so irresistibly attracted to lights, and is there anything that can be done to reduce their presence around your home’s entrances? Understanding what draws these insects to light can help homeowners find effective ways to minimize bug activity near key areas like doors and windows.


Why Bugs Are Drawn To Light

The phenomenon of insects flocking to lights is known as phototaxis. Many insects are positively phototactic, meaning they’re instinctively attracted to light. This attraction to light can be traced back to several theories, but one of the most common explanations is that many flying insects navigate using natural light sources, such as the moon or stars. These light sources help them maintain a straight path while flying at night. However, when artificial lights appear in their environment, they can become disoriented. Instead of maintaining a straight path, they spiral toward the artificial light source, mistaking it for a natural one.


Furthermore, the type of light and its wavelength play a significant role in attracting or repelling bugs. Insects are particularly sensitive to shorter wavelengths, like ultraviolet (UV) light, which is why bug zappers, for instance, often emit UV light to attract insects. Outdoor lights that emit cooler or blue-toned light tend to attract more insects than those that emit warmer, yellow-hued light. Understanding these principles can make a big difference in choosing lighting options that minimize insect attraction.


Lights That Attract Or Repel Bugs

Not all outdoor lighting is equally enticing to insects. As noted, insects are more drawn to lights with cooler color temperatures, which often appear bluish-white. Incandescent and halogen bulbs, which emit warm yellow light, tend to attract fewer bugs compared to lights with higher UV emissions, such as compact fluorescent bulbs (CFLs). Additionally, LED lights, especially those labeled as “warm white,” emit less UV light, making them a better choice for reducing bug attraction around your home.


While incandescent lights are are traditionally warm-colored lights, they can still attract bugs due to the heat they emit, but they typically draw in fewer insects than cooler-toned bulbs.


Compact Fluorescent Lights (CFLs) tend to emit a good amount of UV light and are known to attract a wide range of bugs. Replacing these with LED options can help reduce bug attraction.


LED lights are the common go-to choice for minimizing bug activity. LED lights emit very little UV light, which attracts fewer insects, and choosing LEDs with warmer color temperatures will further reduce attraction.


Yellow bug lights are specially designed to be less attractive to insects. They’re tinted yellow and emit almost no UV light, making them ideal for use near entrances and patios.


Where To Position Lights To Reduce Bug Activity

While light choice matters, the placement of outdoor lights can be just as important in determining the amount of bug activity near your home’s entrances. Placing lights away from doors and windows can significantly reduce the number of insects lingering near your entryways. Consider installing lights on poles or structures a few feet away from doors rather than directly over them. This approach illuminates your surroundings without inviting bugs to hover near the entry points.


Another effective placement strategy is to use downward-facing lights, which shine light toward the ground rather than dispersing it outward or upward. Fixtures designed with shields or covers that direct light downward can help keep illumination focused on paths and driveways while reducing the ambient light that might attract insects.


If you’re looking to reduce bug activity around your home’s exterior, try using motion-activated lights instead of leaving outdoor lights on continuously. Motion sensors will only trigger lighting when movement is detected, which can minimize the amount of time bugs have to congregate around light sources. Plus, this can save money on electricity and help protect against light pollution.


Minimize Entry Points For Light-Drawn Insects

One of the most frustrating parts of outdoor bug activity is when insects follow the light trail into your home. Even with the best outdoor lighting strategy, bugs may still find their way to the door, especially during peak bug seasons in spring and summer. To reduce their chance of entering, consider adding some extra protection around doors and windows.


Small gaps at the bottom of doors are common entry points for insects. Installing door sweeps can help block these gaps and prevent bugs from sneaking indoors.


Bugs are opportunists when it comes to entering homes, finding any tiny openings they can use to get inside. Regularly inspect around doors, windows, and exterior walls for gaps or cracks that may serve as pathways for bugs, and seal them with caulking or weatherstripping as needed.


Window and door screens with screens made of fine mesh can help prevent even the smallest insects from entering when windows are open. Make sure these screens are in good repair, as any tears or holes can become entry points for bugs.


In the evening, keeping curtains or blinds drawn can minimize the amount of light visible from the outside, reducing the attraction for light-sensitive bugs. This is particularly effective for large glass doors or windows that may be situated close to outdoor lights.


Creating A Bug-Free Outdoor Living Space

For those who enjoy spending evenings outside, managing bug activity around seating areas and patios is key. To create a bug-free zone, consider incorporating citronella candles, torches, or lanterns around the perimeter of your patio or deck, as the scent can help repel some insects. Fans are another great addition to outdoor seating areas, as the airflow makes it harder for bugs to navigate.


In addition to these methods, maintaining your outdoor space by trimming bushes, mowing grass, and keeping gutters clean can also help reduce bug activity. Bugs are often drawn to dense vegetation and standing water, so regular yard maintenance can go a long way in keeping them at bay.


Finally, adding plants that are known to repel insects, such as lavender, marigolds, or rosemary, around your seating area can create a natural barrier to help minimize the bug population in your immediate surroundings.


When it comes to keeping your home and outdoor areas pest-free, the right outdoor lighting and placement strategies can make a noticeable difference. But sometimes, even with the best preventative measures, bugs still find a way to become a nuisance. If you’re struggling to keep insects away from your entrances or outdoor spaces, Westshore Pest Control is here to help. Our team specializes in effective pest control solutions that protect your home from pests, inside and out. Contact Westshore Pest Control today to learn more about our services and take the first step toward a comfortable, bug-free home environment.