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Longlegged sac spiders

Longlegged sac spiders

Cheiracanthium erraticum

A species of Yellow sac spiders

Females have a body length of 8–9 mm, males 5-6.5mm. C. erraticum is a distinctively marked spider which shows a wide dark red stripe running down the centre of the abdomen, which is in turn surrounded by an area of creamy-yellow while the head is a reddish brown.

General Info About Longlegged sac spiders
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Attributes of Longlegged sac spiders
Colors
Brown
Black
Yellow
Red
Habitat
This species favours the herbaceous layer and low bush layer of open habitats, such as rough heather. In Britain the altitudinal range is from sea level to 700 m.
Adult Food Sources
Insects, flies, moths, small caterpillars, occasionally other spiders
Larva Food Source
Small insects, aphids, mites, smaller arthropods
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
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Distribution Area of Longlegged sac spiders
The species has a Palearctic distribution, from Ireland to east Asia.
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Predators of Longlegged sac spiders Larvae
Frogs and toads, birds, jumping spiders, mantises, dragonflies
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Predators of Adult Longlegged sac spiders
Birds, monkeys, lizards, centipedes, larger spiders
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Scientific Classification of Longlegged sac spiders
Tips for Finding Longlegged sac spiders
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Youth Habitat of Longlegged sac spiders
Grasslands and Prairies, Forests and Woodlands, Urban and Suburban Areas, Agricultural and Cultivated Areas
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When is the Best Time to Observe Longlegged sac spiders
Nighttime is often the best time to find longlegged sac spiders, as they are nocturnal hunters and more active after dark.
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What is the Best Weather to Observe Longlegged sac spiders
Mild, humid conditions are generally more suitable for finding longlegged sac spiders as they prefer environments that are not too hot or dry.
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How and Where Can You Find Longlegged sac spiders at Different Life Stages
Juvenile Longlegged sac spiders juveniles are smaller and may spin tiny webs in sheltered areas or vegetation. Look for them by examining the underside of leaves and small crevices in bark or stone.
Adult Longlegged sac spiders adults are more mobile and may be found on the move at night. Search for them with a flashlight or UV light along walls, fences, and vegetation where they may be hunting for prey.
Are Longlegged sac spiders harmful?
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Common Questions People Also Ask
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