Garden Spider
Beneficial insect · Predator
Garden spiders are common orb-weaving spiders that help capture flying and crawling insects in home landscapes. They are arthropods rather than insects, but they are still important beneficial predators. Many build large, circular webs in sunny garden areas.
How to identify it
Adults have eight legs, a two-part body, and no wings or antennae. Common garden orb-weavers may be yellow, black, brown, or patterned, with females usually larger than males. Young spiders hatch from egg sacs and gradually grow through several molts before reaching adult size.
How it helps your garden
Garden spiders catch moths, flies, mosquitoes, beetles, and other insects that become trapped in their webs. They help reduce many nuisance and plant-feeding insects without harming plants. Because they are generalist predators, they contribute to overall balance in the garden food web.
How to attract it
Support spiders by keeping a structurally diverse garden with stakes, shrubs, tall flowers, and corners where webs can be anchored. Leave some undisturbed vegetation and avoid removing every web as soon as it appears. Outdoor lighting can increase prey in some areas, though a naturally insect-rich garden also supports them well. Provide access to moisture through dew, irrigation patterns, or a shallow water feature nearby.
Tips
Web-building spiders are best left in place unless a web is truly in the way. Their webs are often rebuilt quickly, especially after rain or disturbance. Learning to recognize egg sacs and juvenile spiders helps you avoid removing future predators.
General guidance for US gardens. Broad insecticide sprays harm beneficial insects along with pests; for a local pest-management plan, contact your Cooperative Extension office. Page updated Aug 4, 2026.