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Marbled orbweaver

Marbled orbweaver

Araneus marmoreus

A species of Garden spider, Also known as Marbled orb weaver

The marbled orbweaver (Araneus marmoreus) is easily distinguished by its orange head and legs, along with its yellow marbled pattern on its abdomen. It is able to create new circular webs every day, typically among tall grass and reeds . After spinning a complex web, the marbled orbweaver hides and waits until it feels the vibrations of its prey on the web.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Marbled orbweaver
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Attributes of Marbled orbweaver
Colors
Black
Yellow
Orange
Habitat
grassland; forest; bog; field; riparian area; orchard; rural and suburban area; man made structure
Adult Food Sources
Flies, beetles, mosquitoes, moths, other small flying insects
Venomous
The Marbled orbweaver 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
Phytophagous
Not reported
Predatory
The Marbled orbweaver typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
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Species Status of Marbled orbweaver
It is found throughout all of Canada to Alaska, the northern Rockies, from North Dakota to Texas, and then east to the Atlantic, as well as in Europe.
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Distribution Area of Marbled orbweaver
Holarctic distribution
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Appearance of Marbled orbweaver
The nominate variety has an orange abdomen with black or brown marbling while var. pyramidatus is much paler, sometimes almost white, with a single dark blotch towards the rear of the abdomen. The female has a body length (excluding legs) of up to 1.4 cm while the male is rather smaller at 9 mm. Adult female marbled orbweaver are 9 - 20 mm in length with very large abdomens that are mostly orange with brown to purple markings and spots of pale yellow. Occasionally the abdomens are nearly white in color.
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How to Identify Marbled orbweaver?

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Predators of Adult Marbled orbweaver
Birds, wasps, reptiles, larger spiders
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Interesting Facts About Marbled orbweaver
Marbled orbweaver can change its color over time to blend in with the environment, a unique adaptation not commonly found in spiders.
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Scientific Classification of Marbled orbweaver
Tips for Finding Marbled orbweaver
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Youth Habitat of Marbled orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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Adult Habitat of Marbled orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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How Can You Attract Marbled orbweaver
They do not require specific trap food as marbled orbweaver typically build webs to catch their prey, which includes flying insects such as flies, moths, and beetles.
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How and Where Can You Find Marbled orbweaver at Different Life Stages
Juvenile Juvenile marbled orbweavers are small and more difficult to spot. Look for them in protected areas like the undersides of leaves, shrubs, or in small crevices in the bark of trees.
Adult Marbled orbweaver adults are usually found in the center of their intricate orb webs, which could be located in gardens, forests, or near outdoor lighting where insects are abundant. Search at the eye level or above in between trees, poles, or on the edges of buildings.
Are Marbled orbweaver harmful?
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Harmful Effects of Marbled orbweaver
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Toxic to Animals
Icon toxic for
Bite Humans
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Toxic to Animals

Marbled orbweaver can inject venom through its fangs, primarily affecting other creatures during its adult stage. The venom's intensity is mild and can cause discomfort or mild reactions in animals such as humans and dogs. Smaller animals like flies and bees might experience more severe consequences due to their smaller body mass and different physiology in response to the venom. The toxin works by incapacitating or pre-digesting prey, but it generally poses a low risk to larger animals.

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Bite Humans

Marbled orbweaver is typically not known to bite humans. Bites are rare and primarily occur in self-defense during unintentional contact, such as when a human threatens their habitat. Bites from marbled orbweaver are generally considered mild with limited consequences, more a defensive reaction than aggressive behavior, and of little danger to humans.

More Effects of Marbled orbweaver

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