Half-Edged Wall Jumping Spider
ExploreInvertebrate
Half-Edged Wall Jumping Spider
menemerus semilimbatus
The Half-Edged Wall Jumping Spider (Menemerus semilimbatus) is a small, charismatic arachnid native to the Mediterranean region but now found globally in warm, urban climates. Belonging to the jumping spider family Salticidae, this species is highly regarded for its remarkable agility, curiosity, and keen eyesight. Unlike web-building spiders, it actively stalks its prey, making it an excellent natural pest controller in and around human habitations. Its friendly demeanor and expressive, large anterior eyes often win over those who are otherwise wary of spiders. Observant nature-lovers will spot them darting across sun-warmed walls, pausing to assess their surroundings with intelligent head tilts. If you want to identify Half-Edged Wall Jumping Spider in the wild, use the Snappit app.
Habitat: Typically found on sun-exposed vertical surfaces such as stone walls, rocks, and the exterior walls of buildings in urban and suburban areas.
Appearance
This compact spider ranges from 6 to 10 millimeters in length, with females being slightly larger than males. Its body is covered in a dense coat of grayish-brown hairs, highlighted by a distinctive, bright off-white or light-yellow border running along the lateral edges of its carapace. The abdomen is oval-shaped, sporting a pattern of darker V-shaped chevrons and pale patches. Most notable are its four pairs of eyes, with the massive, forward-facing anterior median pair giving it a highly focused, expressive face. Its legs are relatively short, stout, and marked with subtle dark bands.
KingdomAnimaliaPhylumArthropodaClassArachnidaOrderAraneaeFamilySalticidaeGenusMenemerus
Category
InvertebrateRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
The species name 'semilimbatus' means 'half-bordered', referring to the light band of hairs lining the sides of its head.
They do not spin webs to catch food, but they do spin a silk dragline anchor before jumping to prevent falling.
They possess a nearly 360-degree field of vision, using secondary eyes to detect motion behind them while focusing forward.
Special abilities
Ability
Telescopic Vision
Uses its massive anterior median eyes to perceive color and depth, tracking moving prey accurately from several inches away.
Ability
Hydraulic Leap
Launches itself up to many times its body length by rapidly increasing fluid pressure in its legs, using a silk safety line as a backup.
Ability
Wall Adhesion
Utilizes thousands of microscopic hairs on its feet to climb smooth vertical walls and window panes with ease.
Measurements & details
- Length
- 0+ cm
- Weight
- 0.00005+ kg
- Lifespan
- 1+ years
- Incubation
- 14+ days
Diet & Feeding
An active predator that hunts small crawling and flying insects on vertical surfaces during the day.
Age differences: Spiderlings target tiny insects like fruit flies, while mature adults tackle larger prey like houseflies and small moths.
Primary Foods
- Houseflies
- Mosquitoes
- Ants
- Aphids
Foraging Method
- Pursuit
Ecological connections
hunts
Housefly
Musca domestica
Preys on houseflies on exterior walls.
eaten by
Black and Yellow Mud Dauber
Sceliphron caementarium
Hunted by mud dauber wasps to feed their larvae.
competitor
Cellar Spider
Pholcus phalangioides
Competes for food and territory on building walls and inside structures.
Traits
No trait badges are assigned for this object yet.
Also known as
No aliases listed yet.
Collections
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Half-Edged Wall Jumping Spider?
The easiest way to identify Half-Edged Wall Jumping Spider is to use the Snappit nature identifier app.
How long is Half-Edged Wall Jumping Spider?
0+ cm
How much does Half-Edged Wall Jumping Spider weigh?
0.00005+ kg
How long does Half-Edged Wall Jumping Spider live?
1+ years
What does Half-Edged Wall Jumping Spider eat?
An active predator that hunts small crawling and flying insects on vertical surfaces during the day.
Where is Half-Edged Wall Jumping Spider usually found?
Typically found on sun-exposed vertical surfaces such as stone walls, rocks, and the exterior walls of buildings in urban and suburban areas.
How does Half-Edged Wall Jumping Spider hunt?
Pursuit
How long do Half-Edged Wall Jumping Spider eggs take to hatch?
14+ days
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