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Friday FAQ: Why Do More Bugs Bite and Fly in the Late Afternoon or Early Evening?

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Why the Evening Brings the Bugs

As the Texas sun starts to dip, the bug world wakes up. Late afternoon and early evening are prime hours for many flying and biting insects, and it’s not your imagination!

Most insects, including mosquitoes, gnats, and certain types of flies, are crepuscular, meaning they’re most active during dawn and dusk. Here’s why:

  • Ideal Temperatures: The heat of the day can be too intense for small insects. Cooler evening air makes flying (and finding food) easier.
     

  • Higher Humidity: As temperatures drop, humidity rises, creating the perfect environment for mosquitoes and other moisture-loving pests.
     

  • Human Activity Peaks: Evening BBQs, dog walks, and porch hangouts put us right where bugs want us, outdoors and uncovered.
     

  • Lower Light Levels: Dim light helps bugs avoid predators while giving them an edge when locating their next meal (that’s you).


Evening Pests to Watch For in DFW

If you’re in the Dallas–Fort Worth area, you’ll likely spot:

  • Mosquitoes searching for a blood meal

  • Flies and gnats swarming around patios and trash bins

  • Moths and beetles drawn to porch lights

  • Spiders taking advantage of increased insect activity


How to Keep Bugs from Crashing Your Evenings

You don’t have to head indoors when the sun goes down. To reduce dusk-time activity:

  • Eliminate standing water to cut down on mosquito breeding.

  • Keep outdoor lights yellow or amber, they’re less attractive to insects.

  • Schedule regular professional pest control to maintain a protective barrier around your home.

At Paragon Pest Control, our treatments target pest hot spots before they reach your porch or patio, keeping your evenings peaceful and bite-free.