Seasons

To help homeowners and businesses stay informed, the National Pest Management Association (NPMA) released its bi-annual Bug Barometer®, a data-driven look at what Americans can expect from pest populations in their regions across the U.S.

After analyzing weather patterns, long-term forecasts, and pest biology, NPMA’s expert entomologists predict potential rising encounters with pests, including ticks, ants, flies, mosquitoes, cockroaches, rodents, spiders, scorpions and stink bugs this fall and winter. 

  • Mid Atlantic

    Mid-Atlantic & New England

    Maine, New Hampshire, Vermont, Massachusetts, New York, Rhode Island, Connecticut, New Jersey, Pennsylvania, Delaware, Maryland, Washington, D.C., Virginia

    A milder, drier winter could extend activity for ants and mosquitoes. Below-average snowfall and fewer deep freezes could mean an increase in ticks, leading to more encounters next spring.

  • Southwest

    Intermountain & Southwest

    New Mexico, Arizona, Utah, Colorado, Nevada, California

    Mild fall and winter weather could keep desert pests like scorpions and spiders active longer. Once cooler conditions arrive, rodents will likely seek shelter indoors.

  • South Central

    South Central

    Mississippi, Tennessee, Louisiana, Arkansas, Oklahoma, Texas

    An unseasonably warm fall will likely cause mosquitoes to linger later into the season, while the late onset of winter temperatures may drive more rodents indoors seeking food and shelter.

  • North Central

    North Central

    North Dakota, South Dakota, Nebraska, Kansas, Montana, Wyoming

    Rodents may hold off on finding shelter indoors due to warmer-than-usual fall and winter conditions, only heading inside once temperatures drop. At the same time, less snow this winter could allow ticks to thrive through the season, leading to more encounters next spring.

  • Great Lakes

    Great Lakes, Ohio Valley & Midwest

    West Virginia, Ohio, Kentucky, Indiana, Michigan, Wisconsin, Illinois, Iowa, Missouri, Minnesota

    Ants and spiders may survive longer thanks to unseasonably warm and dry conditions. When temperatures drop, it could drive invasive brown marmorated stink bugs indoors to seek shelter.

  • Southeast

    Southeast

    North Carolina, South Carolina, Georgia, Alabama, Florida

    A colder, drier winter could prompt rodents to seek shelter indoors earlier. These same conditions may also bring mosquito activity down, providing welcome relief to residents.

  • Northwest

    Northwest

    Idaho, Washington, Oregon

    Summer pests like ants, flies, and cockroaches will likely stick around later this fall, and mild, dry conditions may set the stage for more frequent tick encounters through the winter.

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