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.

San Antonio pest control picks

DIY helpers for roaches, fire ants, mosquitoes, rats and bed bugs while you wait for a pro. Always read and follow the label. For an active infestation, call first: Call now.

Roaches

Syngenta Advion Cockroach Gel Bait, 4 × 30 g tubes

$28.56

Indoxacarb gel bait. Small dabs in cracks near roach activity; roaches carry it back to others.

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Monitoring

Catchmaster Max-Catch Glue Traps, 72 pack

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Sticky boards to see where roaches, spiders and mice are moving before and after treatment.

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Fire ants

Amdro Fire Ant Killer for Mounds, 1 lb

$15.47

Hydramethylnon bait granules. Workers carry it into the mound to the queen.

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Mosquitoes

Summit Mosquito Dunks, 20 count

$24.88

BTI dunks for standing water: each treats about 100 sq ft for up to 30 days.

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Rats

Victor M326 Pro Rat Traps, 12 pack

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Classic wood snap traps with a large pedal. Set along walls, trigger end to the wall.

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Bed bugs

ClimbUp Insect Interceptors, 12 pack

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Pesticide-free cups under bed legs that show if bed bugs are present.

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Prices were read from Amazon on Oct 27, 2026 and change often; Amazon's page shows the current price. Affiliate disclosure: as an Amazon Associate we earn from qualifying purchases.