Black and red spiders are among the most eye-catching arachnids in the world, known for their bold coloration and unique patterns. These colors often serve as warning signals to predators or help in camouflage depending on the species.
In this list, you’ll discover 16 different black and red spiders, each with distinct features, habitats, and behaviors. From highly venomous species like the Redback and Black Widow to harmless garden dwellers, these spiders showcase the diversity and beauty of the arachnid world.
1. Redback Spider
The Redback Spider is a highly recognizable venomous spider known for its distinctive black body and red marking. It is commonly found in Australia and nearby regions, often living in dry, sheltered areas close to human habitats.
Identification
- Shiny black body with a prominent red stripe on the upper abdomen
- Female is much larger than the male
- Round abdomen with long, slender legs
- Juveniles may show additional white markings
Habitat
Redback Spiders prefer warm, sheltered environments such as sheds, garages, outdoor furniture, and under rocks or logs. They are often found near human dwellings where they can easily build their tangled webs.
Behavior
These spiders are generally not aggressive but will bite if disturbed. They build messy, irregular webs and primarily feed on insects. Females remain in the web, while males are smaller and more mobile.
Venom
The venom of the Redback Spider is potent and can cause significant pain and symptoms in humans. Bites may lead to sweating, nausea, and muscle weakness, and medical attention is recommended if bitten.
2. Black Widow Spider
The Black Widow Spider is one of the most famous venomous spiders, known for its glossy black body and red hourglass marking. It is found in many parts of the world, especially in warm regions.
Identification
- Shiny jet-black body with a red hourglass shape on the underside
- Females are larger and more dangerous than males
- Rounded abdomen with long, thin legs
- Juveniles may have orange or white patterns
Habitat
Black Widow Spiders prefer dark, sheltered places such as woodpiles, garages, basements, and outdoor debris. They thrive in undisturbed areas where they can spin strong, irregular webs.
Behavior
They are shy and typically avoid humans, biting only when threatened. Females spend most of their time in webs, while males roam. They feed mainly on insects and small arthropods.
Venom
Their venom is neurotoxic and can cause severe pain, muscle cramps, and other symptoms. While rarely fatal, bites require medical attention, especially for children and elderly individuals.
3. Australian Black House Spider
The Australian Black House Spider is a dark-colored spider commonly found around homes and buildings. It is known for its dense, woolly webs and preference for urban environments.
Identification
- Dark brown to black body with a velvety appearance
- Sturdy build with relatively short legs
- Females are larger than males
- Often found near thick, messy webs
Habitat
This spider lives in window frames, walls, crevices, and corners of buildings. It prefers dry, sheltered locations and is commonly seen in urban and suburban areas.
Behavior
Australian Black House Spiders are non-aggressive and usually remain in their webs. They capture insects that get trapped and rarely leave their location unless disturbed.
Venom
Their venom is not considered dangerous to humans. Bites may cause mild pain and swelling but generally do not require serious medical treatment.
4. Black Lace-Weaver
The Black Lace-Weaver is a dark-colored spider known for its intricate lace-like web patterns. It is commonly found in Europe and parts of North America, often around buildings and fences.
Identification
- Dark brown to black body with a slightly hairy texture
- Bulky abdomen with faint patterns
- Medium-sized with sturdy legs
- Produces dense, lace-like sheet webs
Habitat
These spiders prefer walls, fences, tree bark, and rocky areas. They are often seen around human structures where they can anchor their webs securely.
Behavior
Black Lace-Weavers are generally shy and remain hidden during the day. They wait in their webs to catch insects and are most active at night.
Venom
Their venom is mild and not harmful to humans. Bites are rare and usually result in minor irritation similar to a bee sting.
5. Ladybird Spider
The Ladybird Spider is a striking species known for its bright red body with black spots, resembling a ladybird beetle. It is found mainly in parts of Europe and Asia.
Identification
- Bright red abdomen with distinct black spots (in males)
- Females are larger and mostly black
- Compact body with short legs
- Ground-dwelling appearance
Habitat
Ladybird Spiders live in dry grasslands and sandy soils. They build burrows in the ground, often hidden among vegetation.
Behavior
These spiders are secretive and spend most of their lives in burrows. Males roam during mating season, while females stay underground and guard their nests.
Venom
Their venom is not dangerous to humans. Bites are extremely rare and typically cause only mild discomfort.
6. Red-legged Purseweb Spider
The Red-legged Purseweb Spider is a unique species known for its tube-shaped web and striking red legs. It is mostly found in North America and parts of Asia.
Identification
- Dark body with noticeable red or reddish-brown legs
- Thick, robust build
- Large forward-facing jaws (chelicerae)
- Lives inside a silk tube web
Habitat
These spiders prefer wooded areas, often near tree bases or in soil. They construct silk tubes attached to surfaces like bark or rocks, which serve as both shelter and trap.
Behavior
Red-legged Purseweb Spiders stay hidden inside their tube webs. They detect prey vibrations and quickly bite through the silk to capture insects walking on the surface.
Venom
Their venom is not considered dangerous to humans. Bites are rare but can cause mild pain and localized swelling.
7. Black and Red Jumping Spider
The Black and Red Jumping Spider is a small, active spider known for its excellent vision and quick movements. It is found in various regions, especially in warm climates.
Identification
- Compact black body with red markings or patches
- Large front eyes giving a “curious” appearance
- Short, strong legs adapted for jumping
- Small and agile body structure
Habitat
These spiders are commonly found on plants, walls, fences, and windows. They prefer sunny areas where they can actively hunt during the day.
Behavior
Unlike web-building spiders, they actively hunt prey by stalking and pouncing. They are curious and may turn to look at movement, including humans.
Venom
Their venom is harmless to humans. Bites are very rare and usually cause only minor irritation, if any.
8. Redback Jumping Spider
The Redback Jumping Spider is a small, colorful spider known for its active hunting style and bright red markings. It belongs to the jumping spider family and is admired for its sharp vision and agility.
Identification
- Black body with distinct red markings on the back
- Large forward-facing eyes
- Compact, hairy body
- Strong legs adapted for jumping
Habitat
These spiders are commonly found on leaves, walls, and garden plants. They prefer sunny environments where they can easily spot and hunt prey during the day.
Behavior
Redback Jumping Spiders do not build webs to catch prey. Instead, they stalk and leap onto insects with precision. They are active during daylight and often display curious movements.
Venom
Their venom is not harmful to humans. Bites are extremely rare and usually result in only mild, temporary discomfort.
9. Red-spotted Ant Mimic Spider
The Red-spotted Ant Mimic Spider is a fascinating species that resembles ants for protection. Its red markings and body shape help it blend in with ant colonies.
Identification
- Slender black body with red spots or markings
- Narrow waist mimicking an ant’s body
- Long front legs often held like antennae
- Small and agile appearance
Habitat
These spiders are found in forests, gardens, and leaf litter where ants are present. Their mimicry helps them live close to ant colonies without being attacked.
Behavior
They imitate ants in movement and behavior to avoid predators. Unlike true ants, they are predators and hunt small insects rather than relying on webs.
Venom
Their venom is harmless to humans. Bites are very uncommon and usually cause only slight irritation if they occur.
10. Southern Black Widow
The Southern Black Widow is a well-known venomous spider found mainly in the southeastern United States. It is recognized for its glossy black body and distinctive red hourglass marking.
Identification
- Shiny black body with a bright red hourglass on the underside
- Females are significantly larger than males
- Rounded abdomen with long, slender legs
- Juveniles may have additional red or white markings
Habitat
This spider prefers warm, sheltered areas such as woodpiles, sheds, garages, and outdoor structures. It often builds webs close to the ground in undisturbed locations.
Behavior
Southern Black Widows are shy and avoid human contact. They stay in their webs and wait for prey, feeding mainly on insects. Bites usually occur only when they are accidentally disturbed.
Venom
Their venom is potent and neurotoxic, causing pain, muscle cramps, and other symptoms. Medical attention is recommended if bitten, especially for vulnerable individuals.
11. Northern Black Widow
The Northern Black Widow is another venomous species found in parts of North America. It is similar in appearance to other black widows but has slight differences in markings.
Identification
- Black body with a red or orange hourglass marking underneath
- May have red spots along the top of the abdomen
- Females are larger and more prominent than males
- Smooth, glossy appearance
Habitat
They are commonly found in forests, woodpiles, stumps, and occasionally around buildings. They prefer quiet, undisturbed environments.
Behavior
Northern Black Widows are non-aggressive and spend most of their time in their webs. They capture insects and rarely leave their web unless necessary.
Venom
Their venom is similar to other black widows and can cause significant discomfort. While serious symptoms can occur, fatalities are rare with proper medical care.
12. Western Black Widow
The Western Black Widow is a venomous spider commonly found in western regions of North America. It closely resembles other black widow species with its shiny black body and red marking.
Identification
- Glossy black body with a red hourglass shape on the underside
- Large, rounded abdomen
- Females are larger and more noticeable than males
- Long, slender legs
Habitat
They prefer dry, sheltered places such as garages, sheds, woodpiles, and outdoor debris. They are often found near human dwellings in quiet, undisturbed areas.
Behavior
Western Black Widows are shy and tend to stay hidden in their webs. They feed on insects and only bite when threatened or disturbed.
Venom
Their venom is neurotoxic and can cause pain, muscle stiffness, and other symptoms. Medical attention is advised if a bite occurs.
13. Red-marked Orb Weaver
The Red-marked Orb Weaver is a visually striking spider known for its patterned body and circular web design. It is found in various regions, especially in gardens and forests.
Identification
- Black or dark body with red or orange markings
- Rounded abdomen with noticeable patterns
- Medium-sized with relatively long legs
- Builds classic circular (orb-shaped) webs
Habitat
These spiders are commonly found in gardens, forests, and areas with vegetation. They build their webs between branches, plants, or structures where insects are abundant.
Behavior
Red-marked Orb Weavers are generally harmless and spend most of their time in their webs. They are more active at night and rebuild their webs regularly.
Venom
Their venom is not dangerous to humans. Bites are rare and usually result in mild irritation or no noticeable symptoms.
14. Red-striped Lynx Spider
The Red-striped Lynx Spider is a fast-moving hunting spider known for its sharp vision and slender body. It is commonly found in warm regions, especially in grassy and bushy areas.
Identification
- Slender body with reddish stripes along the sides
- Long, spiny legs adapted for quick movement
- Light brown to black coloration with red markings
- Medium-sized and agile appearance
Habitat
These spiders live in grasslands, shrubs, and agricultural fields. They prefer areas with plenty of vegetation where they can easily hunt prey.
Behavior
Red-striped Lynx Spiders are active hunters and do not rely on webs. They stalk and leap onto insects, using speed and precision to capture prey.
Venom
Their venom is not harmful to humans. Bites are rare and typically cause only mild, temporary discomfort.
15. Black and Red Tarantula
The Black and Red Tarantula is a large, ground-dwelling spider admired for its bold coloration and hairy body. It is found in tropical and subtropical regions.
Identification
- Large, hairy black body with red or reddish hairs on legs or abdomen
- Thick legs and robust build
- Prominent fangs (chelicerae)
- Slow-moving but powerful appearance
Habitat
These tarantulas prefer burrows in soil, often in forests, deserts, or grasslands. They create silk-lined shelters under rocks or in the ground.
Behavior
Black and Red Tarantulas are generally calm and defensive rather than aggressive. They may flick irritating hairs when threatened and usually hunt at night.
Venom
Their venom is mild to humans, similar to a bee sting. While not dangerous, bites can cause pain and irritation, and handling should be avoided.
16. Black and Red Spider (Generic Orb-weaver Type)
The Black and Red Spider (often referring to various orb-weaver species) is known for its striking color combination and beautifully structured webs. These spiders are commonly found in gardens and forests around the world.
Identification
- Dark black body with red or reddish-orange markings
- Rounded abdomen with visible patterns
- Medium-sized with long legs
- Builds large, circular orb webs
Habitat
These spiders are typically found in gardens, forests, and near vegetation. They prefer areas where they can anchor their webs between branches, plants, or structures.
Behavior
They are non-aggressive and spend most of their time sitting in the center of their webs. They are more active at night and rebuild their webs regularly to maintain effectiveness.
Venom
Their venom is harmless to humans. Bites are extremely rare and usually cause little to no noticeable effects.
