Sac Spider

Actual Size: ยผ to โ…œ inch

Characteristics: Small to medium-sized spiders with pale, translucent bodies that range from light yellow to beige or greenish. They have long, slender legs and a slightly darker head area.

Legs: 8

Habitat: Commonly found both indoors and outdoors, often living in gardens, vegetation, and around the exterior of buildings. Inside, they prefer areas such as ceilings, wall corners, closets, and behind furniture.

Habits:

  • Named for the small sac-like or tube-shaped nests they build.
  • Often confused with the brown recluse, but does not have the violin marking.
  • Their bite can be painful, though it is usually not medically significant unless an allergic reaction occurs.

Sac Spiders in Athens, GA

Sometimes called a โ€œyellow sac spider,โ€ these spiders are typically pale yellow and may even show a slight greenish tint. They are often found in homes, though they usually enter by accident since they prefer to avoid human contact. Sac spiders are sometimes mistaken for brown recluse spiders due to their similar shape, but they lack the distinctive โ€œfiddleโ€ marking. In general, they feed on other spiders as well as various garden insects.

Sac Spider Habitat

In outdoor environments, sac spiders may be found in gardens, under bark, within vegetation, in rolled leaves, and among organic debris. They often enter homes unintentionally on produce, including agricultural shipments like grapes. During the fall, they are frequently seen indoors as they move inside to escape cooler outdoor temperatures. Sac spiders can climb slick surfaces and create silk sac-like shelters at wall and ceiling junctions.

Sac Spider Behaviors, Threats, or Dangers

Sac spiders hunt at night and rely on silk only for resting places and egg sacs. Because they are nocturnal, they actively pursue insects after dark. Their bites are often confused with brown recluse bites due to similar-looking symptoms. However, the resulting injuries are generally milder, though swelling, slow healing, and ulcerated sores can still appear. These effects are typically not medically serious except in cases of allergy. If you need help with sac spiders, contact your local spider exterminator.