Year-round Average winter low about 42.8°F, so pests stay active (NOAA normals)Formosan termites Swarm at night around lights in late spring (NATS)Fire ants Bait the yard, then treat mounds (USDA APHIS)Roaches German roaches usually need bait and follow-up, not a single spray (UC IPM)Bed bugs They travel in luggage and used furniture (EPA)Rodents Seal entry gaps, trap, then clean up (CDC)Pest companies: rent or own this local guide. Month-to-month, no contract.Year-round Average winter low about 42.8°F, so pests stay active (NOAA normals)Formosan termites Swarm at night around lights in late spring (NATS)Fire ants Bait the yard, then treat mounds (USDA APHIS)Roaches German roaches usually need bait and follow-up, not a single spray (UC IPM)Bed bugs They travel in luggage and used furniture (EPA)Rodents Seal entry gaps, trap, then clean up (CDC)Pest companies: rent or own this local guide. Month-to-month, no contract.

Scorpions in San Antonio

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The striped bark scorpion is the most common scorpion in Texas and the only one of the state's 18 species found statewide. Texas A&M describes adults as about 2½ inches long, yellowish tan with two broad dark stripes down the back. They hide by day under boards, firewood and debris, hunt at night, and often climb, which is why many indoor sightings are tied to attics.

Texas A&M says the sting is painful, with local swelling and itching that can last for days, but no Texas scorpion is considered lethal to people. Anyone with a severe reaction should get medical care.

What works

Move woodpiles, boards and rock piles away from the house.
Seal cracks, weep-hole gaps and attic openings, and install door sweeps.
Scorpions glow under a blacklight, so a night check with a UV flashlight shows where they are getting in.
Shake out shoes and check bedding in homes with sightings.
A licensed pro can treat harborage and entry points.

Supplies: UV flashlights, door sweeps.

Sources: Texas A&M: Striped bark scorpion · Texas A&M AgriLife: Scorpions (E-362)

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