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Wall crab spiders

Wall crab spiders

Selenops mexicanus

A species of Crescent-eyed spiders

Adorned with a flattish body to smoothly glide across surfaces, wall crab spiders employs intricate eyesight, provided by a remarkable pair of principal eyes along with six secondary eyes, to detect faint movements of prey even in dim conditions. This adept hunter, primarily active during twilight hours, exhibits a unique tactic of striking its unsuspecting prey from an upturned position, leveraging its wall-clinging ability and rapid movements, thus exemplifying a fascinating intersection of evolved physiology and predation strategy.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Wall crab spiders
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Attributes of Wall crab spiders
Adult Food Sources
Insects, arachnids, small vertebrates
Larva Food Source
Small insects, other arthropods
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
The Wall crab spiders can induce toxic reactions varying in severity. Nevertheless, these toxins primarily target their prey and predators and are usually not fatal to humans.
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
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Predators of Wall crab spiders Larvae
Frogs and toads, birds, lizards, insectivorous mammals, larger spiders, ants, wasps
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Predators of Adult Wall crab spiders
Birds, lizards, primates, scorpions, large insects, centipedes, larger spiders, mammals
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Scientific Classification of Wall crab spiders
Tips for Finding Wall crab spiders
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Youth Habitat of Wall crab spiders
Forests and Woodlands, Deserts and Arid Regions, Urban and Suburban Areas
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Adult Habitat of Wall crab spiders
Forests and Woodlands, Deserts and Arid Regions, Urban and Suburban Areas
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What is the Best Weather to Observe Wall crab spiders
Warm and dry weather conditions are more suitable for finding wall crab spiders, as they prefer such climates and are less active in cold or rainy weather.
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How and Where Can You Find Wall crab spiders at Different Life Stages
Juvenile Wall crab spiders juveniles are small and can often be found in sheltered areas such as under rocks, bark, or in crevices near the ground. Look for them by carefully lifting potential hiding places during the day.
Adult Wall crab spiders adults are more mobile and may be found on walls, ceilings, or in foliage during the night. To find them safely, use a flashlight or headlamp to spot their eyeshine or silhouettes, ensuring to maintain a respectful distance to avoid stress or harm.
Are Wall crab spiders harmful?
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Harmful Effects of Wall crab spiders
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Toxic to Animals
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Bite Humans
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Toxic to Animals

Wall crab spiders poses a mild risk, primarily through its sting during adulthood. Though generally not aggressive, wall crab spiders can sting when provoked, causing discomfort and localized reactions in animals such as humans, dogs, and cats. This organism's toxin can lead to a variety of responses, from mild irritation to more severe allergic reactions in sensitive individuals.

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Bite Humans

Wall crab spiders does not typically exhibit biting behavior towards humans. Bites are rare and primarily occur out of defense or when provoked. Such incidents may result in mild discomfort, without significant or long-term consequences.

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Common Questions People Also Ask
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