Wolf Spider (with spiderlings)

Lycosa rabida or Pardosa milvina (Family Lycosidae, specifically a female carrying spiderlings)

Lycosidae (Wolf Spiders), Order Araneae. Key family characteristics include robust bodies, excellent eyesight featuring a distinct arrangement with two large eyes in the upper row, and a wandering hunting lifestyle rather than web-building.

Wolf Spider (with spiderlings) - Lycosa rabida or Pardosa milvina (Family Lycosidae, specifically a female carrying spiderlings)

Physical Description

Robust and athletic body with a distinct, slightly elongated cephalothorax and a plump abdomen. The most striking anatomical feature in this specific image is the dense cluster of hundreds of tiny spiderlings riding on the mother's back, completely covering her abdomen.

Size Estimate

Medium to large spider, with a body length of approximately 15 to 25 mm and a leg span reaching up to 50 mm, typical for an adult female wolf spider.

Coloration & Markings

Muted earth tones of brown, tan, and dark gray, featuring longitudinal dark stripes running along the cephalothorax and abdomen that provide excellent camouflage against leaf litter and soil.

Web Type

Wolf spiders do not build webs to catch prey. Instead, they are active ground hunters and wanderers, using silk only to line their burrows and construct egg sacs.

Eye Arrangement

Arranged in three rows: four small eyes in the bottom row, two very large eyes in the middle row facing forward, and two medium-sized eyes set further back on top of the head, providing nearly 360-degree vision.

Leg Characteristics

Strong, muscular, moderately long legs covered in fine hairs and spines, built for rapid running and jumping rather than delicate web manipulation. The legs are typically spread wide in an alert, hunting posture.

Venom & Safety Information

Venom Information

Neurotoxic and cytotoxic venom designed strictly for subduing insect prey. It is low in potency relative to humans and rarely poses any significant medical threat.

Medical Significance

Harmless to humans. A bite may cause minor local pain, redness, or swelling comparable to a bee sting, but wolf spiders are not medically significant. Simply wash the area with soap and water.

Safety Recommendations

Do not attempt to touch or swat a mother carrying spiderlings, as hundreds of babies will scatter in all directions. If indoors, gently guide her into a container using a piece of paper and release her safely outside.

Habitat & Behavior

Habitat & Range

Found worldwide in a vast array of habitats including grasslands, forests, gardens, stony riverbanks, and occasionally wandering into residential basements or garages.

Behavior & Temperament

Solitary and nocturnal hunters, though maternal females carrying young can be seen moving cautiously by day. They are generally non-aggressive, preferring to flee, but a female carrying offspring may become defensive if cornered.

Diet & Prey

Carnivorous generalists feeding primarily on insects, including grasshoppers, crickets, beetles, and other spiders, running down prey through sheer speed and agility.

Seasonal Activity

Most active during spring and summer months, which is the primary period for mating and raising young. Females carrying young are frequently encountered during mid-to-late summer.

Description

This is a quintessential sight in the natural world: a mother wolf spider exemplifying extreme maternal care by carrying her entire brood of hundreds of spiderlings on her back. As active hunters traversing the ground, wolf spiders play a critical role in controlling insect populations.

Key Features

The combination of robust body proportions, distinctive facial eye arrangement with prominent forward-facing eyes, striped earthy camouflage, and most distinctively, a living blanket of hundreds of tiny spiderlings clinging to the mother's abdomen.

Similar Species

Can be confused with nursery web spiders (Pisauridae). However, nursery web spiders carry their egg sacs in their chelicerae rather than attached to their spinnerets, and they build nursery webs when the eggs are ready to hatch.

Life Cycle

Females carry their round silk egg sacs attached to their spinnerets. Upon hatching, hundreds of spiderlings climb onto the mother's back and ride there for a week or two until their first molt, after which they disperse independently.

Ecological Importance

Vital predators in terrestrial ecosystems, acting as natural pest control agents by keeping populations of agricultural and household insect pests in check.

Conservation Status

Not evaluated by the IUCN, but populations are generally stable, widespread, and abundant globally.

Interesting Facts

Wolf spiders are remarkable runners capable of reaching surprising speeds in short bursts. The mothering instinct is so strong that if you gently remove her egg sac, she will frantically search for it and accept it back immediately.

Photography Tips

Use a macro lens with a fast shutter speed to capture the intricate details of the tiny spiderlings on the mother's back. Get down to eye level with the spider and ensure bright, diffused lighting without casting harsh shadows.

Identified: 2026-09-26T02:28:06.240368

Wolf Spider (with spiderlings) - Lycosa rabida or Pardosa milvina (Family Lycosidae, specifically a female carrying spiderlings) | Spider Identifier