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Humpbacked orbweaver

Humpbacked orbweaver

Eustala anastera

A species of Eustala

The animal belongs to the genus Eustala. The scientific name of the species was first validly published in 1842 by Charles Athanase Walckenaer.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Humpbacked orbweaver
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Attributes of Humpbacked orbweaver
Colors
Brown
Black
Habitat
outdoors; man-made structure
Adult Food Sources
Flies, moths, beetles, mosquitoes, other small insects
Venomous
The Humpbacked 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 Humpbacked orbweaver typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
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Species Status of Humpbacked orbweaver
It is found in North and Central America.
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Distribution Area of Humpbacked orbweaver
North and Central America
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Predators of Adult Humpbacked orbweaver
Birds, monkeys, lizards, larger spiders, parasitic wasps
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Interesting Facts About Humpbacked orbweaver
Humpbacked orbweaver constructs a 'trash heap' with the remains of prey to camouflage itself from predators and unwary insects.
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Scientific Classification of Humpbacked orbweaver
Tips for Finding Humpbacked orbweaver
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Youth Habitat of Humpbacked orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas
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Adult Habitat of Humpbacked orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas
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What is the Best Weather to Observe Humpbacked orbweaver
Mild, calm weather is most suitable for finding humpbacked orbweaver, as strong winds can destroy their webs, and rain can force them to seek shelter.
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How and Where Can You Find Humpbacked orbweaver at Different Life Stages
Juvenile Humpbacked orbweaver juveniles may be found closer to the ground in low vegetation or leaf litter. Look for small, intricately designed webs in bushes, tall grass, or between low branches.
Adult Humpbacked orbweaver adults are more prominent and tend to build their webs in more open and higher spaces. Search for humpbacked orbweaver by scanning for webs across tree branches, gaps in vegetation, or man-made structures at eye level or above.
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Harmful Effects of Humpbacked orbweaver
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Toxic to Animals
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Bite Humans
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Toxic to Animals

Humpbacked orbweaver typically utilizes its fangs to inject a mild venom into its prey, which includes smaller mammals and certain domesticated animals such as dogs and cats. The toxic effects can range from minor irritation to more significant discomfort, depending on the size and resilience of the animal. While humans may experience some discomfort upon being bitten, the venom is generally not harmful to them. Juvenile and adult stages of humpbacked orbweaver are capable of envenomation, although the reactions to their venom can vary among different animal species.

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Bite Humans

Humpbacked orbweaver is not known for biting humans habitually. As a spider species, if they encounter humans, biting is generally a defensive action in response to a perceived threat. Their mandibles might deliver a mild bite out of self-protection, but this is quite rare and typically has minor consequences.

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