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Texas Pest Library

Bed Bugs

Cimex lectularius

Bed Bugs (Cimex lectularius)
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Bed bugs (Cimex lectularius) are small, flat, reddish-brown insects that feed on human blood at night and hide by day in mattress seams, box springs, headboards, and furniture cracks. They spread by hitchhiking on luggage, used furniture, and belongings, not by poor housekeeping. They're notoriously hard to kill, so professional heat or precise insecticide treatment with follow-up is the reliable path to elimination.

Quick reference

Identification

Adults are about apple-seed sized, flat, oval, and reddish-brown; nymphs are smaller and paler. Signs include small rusty or dark spots (droppings) on sheets and mattress seams, tiny pale shed skins, a sweet musty odor in heavy infestations, and rows or clusters of itchy bites on skin exposed during sleep. They hide within a few feet of where people sleep — mattress seams, box spring, headboard, nightstands, and baseboards.

Where it's found

  • Mattresses
  • Furniture
  • Hotels
  • Apartments
  • Luggage

Risk level

  • Not known to spread disease
  • Causes itchy bites and sleeplessness
  • Heavy reputational and financial risk in lodging

Signs of activity

  • Blood spots on sheets
  • Dark fecal staining
  • Live insects near mattress seams
  • Tiny pale shed skins and a sweet musty odor

How Definity treats it

  • Perform a detailed inspection to map every harborage
  • Apply targeted insecticide, heat, or a combination that reaches seams, voids, and eggs
  • Treat box springs, headboards, and surrounding cracks
  • Return for scheduled follow-up visits to catch survivors and newly hatched bugs

How to identify bed bugs

Adults are about apple-seed sized, flat, oval, and reddish-brown; nymphs are smaller and paler. Signs include small rusty or dark spots (droppings) on sheets and mattress seams, tiny pale shed skins, a sweet musty odor in heavy infestations, and rows or clusters of itchy bites on skin exposed during sleep. They hide within a few feet of where people sleep — mattress seams, box spring, headboard, nightstands, and baseboards.

Behavior & biology

Bed bugs are obligate blood feeders that come out at night, drawn by body heat and exhaled carbon dioxide, then retreat to tight harborage to digest and lay eggs. A female lays eggs steadily, and the cream-colored eggs are glued into cracks and seams, making them hard to spot and to treat. They can survive months without feeding, so empty rooms and unused furniture don't clear them out — they simply wait.

Why bed bugs matter

Bed bugs don't damage structures, but they take a heavy toll on people: itchy welts, lost sleep, anxiety, and the cost and disruption of treatment. In multi-unit housing and hotels they spread between units and rooms and carry significant reputational and financial risk. Because they hitchhike, an untreated infestation readily travels to new homes via luggage, bags, and secondhand furniture.

DIY vs. professional control

Store-bought sprays and 'bug bombs' scatter bed bugs deeper into walls and furniture and rarely reach the eggs, often making an infestation harder to clear. Many populations also resist common over-the-counter products. Professional control uses a thorough inspection, targeted insecticide or whole-room heat treatment that penetrates harborage, and mandatory follow-up to catch survivors and newly hatched bugs.

How Definity treats bed bugs

Definity eliminates bed bugs with a detailed inspection to map every harborage, then targeted treatment — precise insecticide application, heat, or a combination — that reaches seams, voids, and eggs, followed by scheduled follow-up visits to confirm the infestation is gone. Johnny Lockridge cautions that store-bought foggers usually backfire by scattering the bugs; the dependable route is professional treatment plus the follow-up that catches anything that hatches afterward.

Fast facts

  • Bed bugs spread by hitchhiking on luggage, used furniture, and belongings — they are not a sign of poor housekeeping and can appear in spotless homes and hotels.
  • Bed bugs can survive several months without a blood meal, so leaving a room empty or a piece of furniture unused does not starve them out.

Visual ID

What bed bugs look like

Real reference photos to help you identify bed bugs before they become a bigger problem.

Texas Crew, On Site — Boots on the ground and Texas-proud — a Definity technician ready to solve the problem.

How we treat it

Texas Crew, On Site

Boots on the ground and Texas-proud — a Definity technician ready to solve the problem.

Questions, answered

Bed Bugs FAQ

Can I get rid of bed bugs myself with store-bought spray?

Usually not. Over-the-counter sprays and foggers tend to scatter bed bugs deeper and miss the eggs, and many populations resist common products. Professional heat or targeted treatment with follow-up is the reliable way to eliminate them.

How did I get bed bugs if my home is clean?

Bed bugs hitchhike — they ride in on luggage, secondhand furniture, bags, or from a neighboring unit. Cleanliness has nothing to do with it; exposure does. Inspecting luggage and used furniture helps prevent introductions.

Get help with bed bugs: General Pest Control

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