Openings such as loose screens, cracks under doors, and gaps around windows provide potential entry points for spiders into buildings. These arachnids may venture indoors in search of food, mates, warmth, or moisture. The presence of insects and other prey within homes often attracts spiders indoors. Additionally, spiders can unintentionally hitch a ride into homes through infested items like plants, firewood, clothing, and stored items in attics or basements.

Spiders in Texas play important roles in the ecosystem by controlling insect populations and serving as prey for other animals. While most spiders are harmless to humans and prefer to avoid confrontation, there are a few venomous species in Texas, such as black widows and brown recluses, that can pose a threat to human health if bitten. However, encounters with these venomous spiders are relatively rare, and most bites do not result in serious medical consequences. With proper precautions and awareness, the risk of spider bites can be minimized, and coexistence with spiders in Texas can be managed safely.

To keep spiders outside and minimize their presence indoors, it's essential to implement several preventive measures. Seal any cracks, gaps, or openings around doors, windows, and utility penetrations with caulk or weather stripping to prevent spiders from entering. Ensure that all windows, doors, and vents are fitted with tight-fitting screens to further deter spider entry. Keep outdoor areas clean and clutter-free, removing debris like woodpiles and leaf litter that can serve as hiding spots for spiders. Additionally, trim back vegetation and shrubs from the exterior of your home to reduce potential pathways for spiders to access indoor spaces. Consider using yellow or sodium vapor outdoor lights, which are less attractive to insects and, consequently, less appealing to spiders. Take steps to reduce insect populations around your home by eliminating standing water, fixing leaky pipes, and storing food in airtight containers. Indoors, maintain cleanliness by regularly vacuuming to remove webs, egg sacs, and any spiders that may have entered. By following these practices, you can effectively keep spiders outside and minimize their presence indoors.