How Weather Affects Insect Problems? Although you may not be able to see them, most insects are still present during the year’s colder months. Some migrate over the winter, while others hibernate as adults. Insects have nymphs, eggs, and larvae that live underground or beneath leaves and other debris. Some insects are submerged or hidden in your home during the cold winter.

In fact, insect reproduction rates usually increase during the warmer months, which explains why you see more bugs when the temperature rises. In addition, insect metabolic rates increase when temperatures rise.  This means that they must consume more food to survive.

Insects are cold-blooded animals that cannot generate bodily heat. Instead, it indicates that the temperature of their surroundings influences their growth, development, and behavior. Read on to learn how temperature affects insects and why temperature changes may cause indoor bug infestations.

How does Weather Affect Insect Invasions?

You may wonder why there are ants in the winter if insects hide during cold weather. To answer that topic, consider how weather impacts insects.

Temperature and moisture have an impact on insects. Even though most insects hibernate during the winter, they may emerge early if frequent temperature fluctuations cause freezing and thawing.

While ants have nesting locations where they hide during the winter, you can observe them if the weather warms up early. They may also emerge early if the nest is positioned somewhere warm, like under heated concrete. 

Even a bright, sunny winter day may prompt them to appear earlier than usual. Ants can infiltrate in any weather, but there are times when activity is exceptionally high. 

PRO TIP: Don’t hesitate to contact a pest control company in San Jose for help. 

Cold Weather

Insects adapt to cooler temperatures by migrating to warmer weather, finding a place to hibernate, or seeking shelter. This can range from burrowing underground to invading our houses in quest of warmth.

Spiders, ladybugs, boxelder bugs, and American cockroaches are frequent pests that come indoors as the weather cools.

Many insects become lethargic when the weather cools. For example, grasshoppers are typically too stiff to hop after a chilly night until the light warms them up again. Likewise, when the temperature lowers, certain flying insects can’t move their wings fast enough to fly.

Hot Weather

Except in the tropics, insect reproduction rates increase in warmer months, which explains why you notice more bugs when the temperature rises.

Insect metabolic rates rise with temperature, so they need to eat more to survive. As a result, bugs may visit homes looking for a nice snack, or you may observe increased insect damage to your garden during warmer months.

Dry Weather

Extremely dry weather drives many creatures, including ants and camel crickets, indoors in search of water.

In dry, hot conditions, some insects thrive and multiply. For example, grasshopper and spider mite populations surge under these conditions and can devastate farm crops during droughts.

Mosquitoes require water to deposit their eggs and breed; therefore, dry weather will impact their reproduction even if the temperatures are within their active range.

Wet Weather

Increased precipitation stimulates the activity of moisture-loving insects such as mosquitoes, cockroaches, stink bugs, and termites. Mosquito eggs are laid in stagnant water. As a result, mosquito populations may grow following severe rains.

Many insects, including spiders, ants, and roaches, visit dwellings searching for refuge after heavy rain. Flooding can drive some creatures, such as ants and yellow jackets, to leave their underground habitats. Ant colonies can quickly attack dwellings searching for food and dry ground when this occurs.

How Do Heavy Rains And Droughts Impact Insects?

As a result, insects consume more plants, perhaps causing more crop damage. On the other hand, increased precipitation can encourage fresh plants (food for insects) and facilitate insect population growth.

Your Best Defense

You should always be on the defense regarding pests and bugs in the winter. Keep your food in airtight containers and your counters clean. Expel Exterminator offers a variety of options for controlling ants and keeping them out of your home.

Expel Exterminators LLC

3622 Tuers Rd, San Jose, CA 95121, United States


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