As temperatures rise across Texas, so does chigger season, bringing an increase in the itchy bites many Texans experience during outdoor activities.
Chiggers are the larval stage of tiny mites in the Trombiculidae family and are commonly found throughout Texas during the warmer months. Experts with the Texas A&M AgriLife Extension Service report that chigger activity typically increases from late spring through early fall, especially during periods of heat, moisture, and overgrown vegetation.
Chiggers are tiny, six-legged parasites that commonly feed on birds, lizards, and small mammals, but they will also bite humans. They often wait on vegetation and attach themselves to passing hosts before moving to feeding areas on the skin. Common bite locations include waistbands, sock lines, behind the knees, and under the arms.
Despite common misconceptions, chiggers do not burrow into the skin or feed on blood. Instead, they attach to the skinโs surface, inject saliva that breaks down skin cells, and feed on dissolved tissue and lymph. The saliva causes an allergic reaction that can lead to redness, swelling, raised bumps, and intense itching.
The itching often begins hours after the chigger has already detached and can last several days or longer in severe cases. Home remedies such as nail polish or bleach are not recommended and may increase skin irritation.
Chiggers are commonly found in:
โข Tall grass and overgrown vegetation
โข Moist areas near ponds, creeks, and rivers
โข Trail edges and transition zones between short and tall vegetation
To reduce the risk of chigger bites, experts recommend:
โข Wearing long pants tucked into socks
โข Applying insect repellents containing DEET or sulfur-based products
โข Treating clothing with permethrin
โข Showering immediately after outdoor activities
โข Scrubbing skin with soap and a washcloth after exposure
Quick action after outdoor exposure may help reduce the number and severity of bites. Over-the-counter antihistamines and anti-itch products may help relieve symptoms, while individuals with severe reactions are encouraged to seek medical advice.
