Living in Willis, Texas, offers warm summers and mild winters. This is the type of climate that many find ideal. Yet these conditions also invite unwanted guests.
From venomous spiders to wood-devouring ants, local homes face constant threats from pests seeking shelter and food.
This guide walks through common household pests found in Willis, detailing how to spot them and why you should act fast.

Fire Ants
Fire ants thrive in Texas’s heat, building gritty mounds in sunny areas. These reddish-brown insects measure about 1/8 to 1/4 inch long. Disturbing a nest triggers swarming behavior, with multiple stings causing painful, itchy welts. Indoors, they gravitate toward kitchens, attracted by grease and sweets. Homeowners might notice gritty soil piles near foundations or trailing lines of ants along walls. Unlike other species, fire ants lack a single entry point. Instead, they’ll infiltrate your home through cracks in slabs and gaps around doors. Instead, they infiltrate through cracks in slabs and gaps around doors.
Carpenter Ants
Carpenter ants, larger and darker than fire ants, tunnel through damp or decaying wood. While they don’t eat timber, their nesting habits weaken structural integrity. Signs include sawdust-like frass near baseboards, hollow-sounding walls, or rustling noises inside cabinets. These ants prefer moisture-rich areas like bathrooms or under sinks. Spotting winged swarmers indoors often signals an established colony nearby. Differentiating carpenter ants from termites hinges on body shape. They have pinched waists and bent antennae.
Black Widow Spiders
Glossy black with a red hourglass marking, black widows favor undisturbed spaces. Garages, sheds, and woodpiles provide ideal habitats. Webs appear messy, often close to the ground. Bites, though rare, demand medical attention due to neurotoxic venom causing muscle cramps or nausea. Regular inspections of storage areas and wearing gloves while gardening reduce encounter risks. Unlike other spiders, black widows shy from open areas, sticking to cluttered zones.
Brown Recluse Spiders
Light brown with a violin-shaped mark behind their heads, brown recluses hide in attics, closets, or behind furniture. Their bites can lead to necrotic skin lesions if untreated. These spiders avoid active areas, making them harder to spot. Shed exoskeletons or irregular, off-white webs in secluded spots hint at their presence. Decluttering storage spaces and sealing cardboard boxes with tape minimizes hiding spots.
Rodents
As temperatures dip, mice and rats invade homes through gaps as small as a dime. Telltale signs include droppings resembling dark grains of rice, gnaw marks on wires, or scurrying sounds at night. Rodents contaminate food and spread diseases like hantavirus. They often nest in insulation, attics, or behind appliances. Chewed packaging or greasy rub marks along baseboards indicate active infestations.
When Professional Insights Becomes Necessary
DIY methods falter against entrenched infestations or venomous species. Experts use targeted approaches—like injecting termiticide into the soil or applying residual sprays in spider hotspots. They also identify risks homeowners overlook, such as attic ventilation issues promoting moisture. Regular inspections by trained technicians catch problems early, preventing minor issues from escalating.
While DIY measures help, some scenarios demand professional expertise. Local pest control specialists bring years of experience tackling Willis-specific challenges, offering solutions rooted in regional knowledge.