Pests to Expect After Rain and Floods

After many years of below average rainfall that resulted in serious droughts, Texas - especially Austin, has finally had its parched land quenched. But this extra amount of water carries with it some complications. Not only does it damage homes and spread dangerous bacteria, but it also causes a sudden influx in the insect population. Some of the most common insects that quickly appear after storms and floods are fire ants, mosquitoes, camel crickets, and cockroaches.

Image of fire ants.

Fire Ants

The small size of the fire ant might cause one to think that they could never survive the harsh environmental conditions of a flood. They are incredibly intelligent and resourceful creatures though. By joining together in a fast formation, the tiny insects create a living raft. The queen and her larvae are put in the center to protect them. This raft can stay afloat for up to two weeks until dry land is found. From there, they can overtake yards and homes.

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Crickets can get into your house through tiny openings in and around your home. They tend to do this when it gets hot and dry outside.

Camel Crickets

These highly invasive and aggressive insects love to feed on rotting wood that is common after flood damage. Once they invade a home or barn, they are difficult to get rid of. If a person tries to move away from the home, they often end up bringing the camel crickets along with them because they hide so easily in carpets and furniture.

Preventing crickets is tricky business. Here's some advice on how crickets get into your house.

This is a close-up image of a mosquito.


Large bodies of water always attract disease-carrying mosquitoes, especially if there are areas that have stale water supplies, which they prefer for reproduction. Mosquito larvae take only a couple of weeks to become adults, and the females can lay up to 100 eggs at a time. These two factors alone can make their populations quickly get out of control.

After the rain, there are some easy ways you can help prevent mosquitoes.

American cockroaches tend to come out after rains and floods.


Humid, wet conditions draw in cockroaches to homes in large groves, which is what makes them one of the most hated species of insects in the world. One of the largest types of cockroaches specifically thrives in flood-damaged areas, and that is the American cockroach. It can reach up to 2 inches in length, and it has fully functioning wings. This type of cockroach breeds very fast, which makes it difficult to control.

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