What is one effective way to reduce pest attraction through lighting?

The option referring to the installation of mercury vapor lights is effective for reducing pest attraction because these lights emit a specific spectrum of light that is less appealing to many flying insects, particularly mosquitoes and other pests that are sensitive to certain wavelengths. In contrast to standard incandescent bulbs, which produce a wide spectrum of light that can attract a variety of insects, mercury vapor lights can minimize the attraction by producing a brighter light that is less attractive to pests.

Furthermore, the nature of the light emitted by mercury vapor is often more yellowish or blue-toned, which does not lure insects as much as the broader spectrum light from incandescent bulbs. Similarly, increasing outdoor lighting or using incandescent bulbs could actually enhance pest attraction, as many pests are drawn to brighter lights. Colored curtains do not impact outdoor lighting, making them ineffective in this context. Therefore, utilizing mercury vapor lighting is a proactive step in creating an environment that is less conducive to pest problems through strategic lighting choices.