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Why You Should Replace Your White Outdoor Bulbs With Yellow Ones

We spoke with Doug Tallamy, TA Baker Professor of Agriculture in the Department of Entomology and Wildlife Ecology at the University of Delaware, to get his top tip for keeping insects away from your backyard. It's as easy as switching out a light bulb.

May 4, 2025 · 1 min · 55 words · Corey Anderson

To prevent insects from flying around your outdoor lights, simply swap out your bulbs.

The moon emits light in the cooler, white spectrum (about 4100 Kelvin).

So nocturnal bugs will likely stay away from your bulbs altogether.

garden behind house in the evening with lights

Photo:Westend 61/Getty Images

LED bulbs are preferable to incandescent ones, Tallamy adds, because they’re far more energy efficient.