Wolf Spider

Lycosa tarantula

Lycosidae (Wolf Spiders), Order Araneae. Characterized by robust bodies, excellent eyesight arranged in three rows, and a wandering hunting style.

Wolf Spider - Lycosa tarantula

Physical Description

Robust body with a clearly separated, long cephalothorax and an oval abdomen. Covered in fine, velvety hairs. It lacks bright colors, displaying instead effective earthy camouflage.

Size Estimate

Body length around 10 to 30 mm with a leg span reaching up to 50 to 70 mm. This specimen appears to be a subadult or medium-sized individual.

Coloration & Markings

Dull earthy tones including shades of brown, gray, tan, and black. Features mottled patterns, longitudinal stripes on the carapace, and chevron markings on the dorsal abdomen.

Web Type

None. Wolf spiders are active hunters that do not spin webs to catch prey; they only use silk to line their burrows and wrap egg sacs.

Eye Arrangement

Eight eyes arranged in three distinct rows: a bottom row of four small eyes, two large median eyes facing forward in the middle row, and two medium-to-large lateral eyes on top.

Leg Characteristics

Long, strong, spiny legs with robust claws and dense scopulae (hair tufts) underneath for gripping surfaces. Often held spread out flat against the substrate.

Venom & Safety Information

Venom Information

Neurotoxic and cytotoxic components present, but primarily adapted for subduing insect prey rather than causing serious harm to large vertebrates.

Medical Significance

Not medically significant. A bite may cause localized pain, redness, and swelling similar to a bee sting, but serious systemic reactions are extremely rare.

Safety Recommendations

To avoid bites, wear gloves when gardening and shake out shoes left outside. If found indoors, gently guide the spider into a container and release it outside.

Habitat & Behavior

Habitat & Range

Found worldwide in varied habitats ranging from grasslands and shrublands to gardens, agricultural fields, and occasionally inside human dwellings.

Behavior & Temperament

Active nocturnal or crepuscular hunters. Relies on speed and camouflage. Generally docile, but will bite in self-defense if cornered or handled.

Diet & Prey

Generalist carnivore feeding primarily on insects such as crickets, beetles, grasshoppers, and occasionally other small spiders.

Seasonal Activity

Most active during spring and summer months when mating occurs and prey is abundant. Overwinters by finding shelter under rocks, bark, or inside burrows.

Description

The wolf spider is a robust, ground-dwelling hunter equipped with exceptional vision and speed. Rather than building webs, it actively chases down prey under the cover of dusk and night, making it an invaluable natural pest controller in gardens and fields.

Key Features

Distinguished by its robust hairy build, earthy brown coloration with abdominal chevrons, prominent forward-facing eyes, and the absence of a capture web.

Similar Species

Grass spiders (Agelenidae) and nursery web spiders (Pisauridae). Grass spiders can be distinguished by their prominent spinnerets and funnel webs.

Life Cycle

Females construct a spherical silk egg sac and carry it attached to their spinnerets. Upon hatching, spiderlings ride on the mother's back for the first week or two.

Ecological Importance

Serves a vital role in terrestrial ecosystems by regulating insect populations and acting as a food source for larger predators like birds and amphibians.

Conservation Status

Not evaluated by the IUCN, but populations are generally stable and widespread across diverse environments.

Interesting Facts

Wolf spider mothers are famous for carrying their hundreds of spiderlings on their backs, where the tiny spiderlings cling tightly until they are ready to disperse.

Photography Tips

Use a macro lens at ground level with natural side-lighting to highlight the texture and eye arrangement. Approach slowly to avoid startling the spider into running.

Identified: 2026-10-03T11:46:36.414196

Wolf Spider - Lycosa tarantula | Spider Identifier