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10 Common Bugs Found in Houston, Texas

  • By Pesty Admin
  • June 5, 2025
Bugs

If you’ve spent any time in Houston, you know we share our homes with more than just family and neighbors. The warm, humid local climate makes it an ideal home for bugs of all shapes and sizes. While some are just a nuisance, others can damage your home or even bite you.

So, knowing what to look for and how to get rid of them can make a big difference in your peace of mind.

Here are ten common bugs that Houston homeowners run into and what you can do when they show up.

Key Takeaways

  • Houston homes commonly deal with bugs like cockroaches, ants, spiders, termites, bed bugs, and caterpillars.
  • Each bug causes different problems and needs specific treatments to fully get rid of the infestation.
  • Preventing bugs in Houston means removing water, sealing cracks, trimming plants, and storing food the right way.
  • Reliant Pest Management offers free inspections and knows how to treat bug problems across the Houston area.

1. Cockroaches

cockroaches

Cockroaches are a year-round problem in the Houston area. The two most common ones you’ll see are the:

  • American Cockroach: Large and reddish-brown
  • German Cockroach: Tan with two dark stripes down its back

These pests love moisture, so you’ll often find them in kitchens, bathrooms, and garages. Getting rid of them typically involves a combination of targeted baiting, sealing up entry points, and treating high-activity areas.

Professional pest control services often use a rotation method to avoid resistance and make sure the whole infestation is eliminated.

2. Ants

ants

Houston’s soil and climate attract multiple ant species, such as:

  • Fire Ants: Aggressive and sting painfully, often building mounds in yards
  • Carpenter Ants: Can chew through wood to create nesting tunnels.
  • Crazy Ants: Don’t sting but swarm in unpredictable patterns and love electronics.

To get rid of infestations, a combination of granular treatments, direct mound injections, and bait systems tailored to the specific species works best.

3. Spiders

black widow spider

While most Houston spiders are harmless, black widows and brown recluses are exceptions.

Black widows are shiny and black with a red hourglass on their underside. Brown recluse spiders are light brown with a violin-shaped marking on their back. Both prefer quiet, undisturbed areas like garages, sheds, or under furniture.

To get rid of them, vacuum carefully, declutter, and use residual treatments in hiding spots.

If you spot one, it’s best not to handle it.

Call a pest control company for a thorough inspection.

4. Stinging Insects

Paper-Wasps

Stinging insects are common in Houston, especially in the warmer months. Paper wasps build umbrella-shaped nests under eaves, hornets are more aggressive and usually nest in trees, and yellow jackets often nest underground.

Removing their nests requires proper identification and timing, typically early morning or dusk when they’re less active.

Professional extermination is recommended, especially if the wasp is aggressive or the nest is large and in a hard-to-reach area.

5. Bed Bugs

bed bug

These small, flat, reddish-brown bugs hide in mattresses, box springs, and cracks around the bed. They feed on blood and can cause itchy bites that often show up in a line or cluster. Bed bugs are notoriously hard to eliminate on your own.

Effective extermination often requires heat treatments or professional-grade residuals that kill all life stages, from egg to adult.

6. Fleas

Flea on human skin

Fleas are a year-round problem in Houston, especially in homes with pets. These tiny, jumping insects live in carpets, bedding, and pet fur. They multiply quickly, laying eggs in soft fabrics and cracks in the floor.

To get rid of them, you need to treat both your pets and your home. Vacuuming daily, washing linens, and using a combination of indoor and yard treatments is key.

7. Termites

Dampwood Termites

Termites are a serious threat in Houston.

Subterranean termites are the most common type here. They build colonies underground and travel through mud tubes to feed on wood.

Identifying signs like hollow wood, discarded wings, or visible mud tubes early can save thousands in repairs.

Termite extermination usually involves baiting systems or trench-and-treat liquid barriers to destroy the colony at its source.

8. Flies

fruit flies

Fruit flies are small, red-eyed bugs that breed in overripe fruit and standing water. Crane flies, on the other hand, are large, mosquito-looking insects that don’t bite but often show up in large numbers during spring.

Removing breeding sources is critical; drains, garbage disposals, and rotting produce should all be cleaned.

In persistent cases, a fly-specific treatment or drain gel may be needed.

9. Scorpions

Arizona Bark Scorpion crawling

Scorpions in Greater Houston, mostly the striped bark scorpion, are more common in rural or wooded areas, but can find their way into homes. They’re nocturnal and hide in shoes, closets, or under debris.

They sting when provoked, which can be painful.

Extermination involves removing their shelter areas, sealing up entry points, and treating with dust and residual sprays in crawl spaces and wall voids.

10. Caterpillars

Tent Caterpillars

Not all caterpillars are harmless. The puss caterpillar, or “asp,” is one of the most venomous in the U.S. and common in Southeast Texas. It looks fuzzy and harmless, but it has venomous spines that can cause intense pain, nausea, and swelling. They typically fall from trees or cling to walls.

If you have trees with overhanging branches, a pest control company can help with safe, targeted removal and tree treatments.

Tired of Bugs in Your Houston Home? Here’s How We Can Help

Whether you’re dealing with fire ants in your yard or cockroaches in your pantry, these pests don’t quit, and neither do we.

At Reliant Pest Management, we know what works in Houston and the surrounding areas, like Sugar Land, Conroe, and Cypress, because we live and work here too. Our team offers free inspections and affordable treatment plans to help you take back your home from unwanted guests.

If you’re seeing any of these bugs, or even if you just want peace of mind, reach out to schedule your free pest control inspection.

We’ll handle the bugs, so you can get back to enjoying your space.

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