Cockroach Species Common in Texas
Understanding the cockroach species helps us apply the most effective treatment methods
German Cockroach
Blattella germanica
The most problematic indoor cockroach species in Texas. Known for rapid reproduction and resistance to many pesticides. They thrive in warm, humid environments and are commonly found in kitchens and bathrooms.
Identification
- Light brown to tan color
- Two dark parallel stripes behind head
- Small size: 1/2 to 5/8 inch long
Health Risks
- Asthma triggers and allergens
- Food contamination and poisoning
Treatment
Integrated Pest Management with gel baits and growth regulators
American Cockroach
Periplaneta americana
The largest house-infesting cockroach in Texas, often called "palmetto bugs." They prefer warm, damp areas and can enter homes through sewers and drains.
Identification
- Reddish-brown color
- Yellow figure-8 pattern behind head
- Large size: 1.5 to 2 inches long
Health Risks
- Disease transmission via droppings
- Allergens causing asthma attacks
Treatment
Perimeter treatments and targeted applications in harborage areas
Oriental Cockroach
Blatta orientalis
Often called "water bugs," these dark-colored roaches prefer cool, damp locations and are commonly found in basements and crawl spaces.
Identification
- Dark brown to black color
- Glossy appearance
- Medium size: 1 to 1.25 inches
Health Risks
- Bacterial contamination
- Allergen production
Treatment
Source reduction and residual insecticide applications