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Shamrock orbweaver

Shamrock orbweaver

Araneus trifolium

A species of Garden spider, Also known as Shamrock spider

The shamrock orbweaver (Araneus trifolium) is commonly confused with the Marbled-orb weaver. The shamrock orbweaver can be differentiated with the white dots that can be found along its back. However, it would likely not let you get close enough to notice. If you did, you are likely to get a mild bite that is not much more painful than a bee sting.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Shamrock orbweaver
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Attributes of Shamrock orbweaver
Colors
Black
Yellow
White
Habitat
open habitat; moist area; marsh; bush; grass
Defensive attack
Not reported
Venomous
The Shamrock 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 Shamrock orbweaver typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
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Species Status of Shamrock orbweaver
It is found in the USA and Canada.
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Distribution Area of Shamrock orbweaver
USA, Canada
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Predators of Adult Shamrock orbweaver
Birds, wasps, praying mantises, small mammals
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Interesting Facts About Shamrock orbweaver
Uniquely, shamrock orbweaver spins a new web each night, discarding their old one, showcasing a remarkable waste-minimizing system in nature.
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Scientific Classification of Shamrock orbweaver
Tips for Finding Shamrock orbweaver
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Youth Habitat of Shamrock orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas
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Adult Habitat of Shamrock orbweaver
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas
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What is the Best Weather to Observe Shamrock orbweaver
Calm and mild weather conditions are ideal for finding shamrock orbweaver as they are less active in cold or inclement weather and may hide in secure, sheltered locations.
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How and Where Can You Find Shamrock orbweaver at Different Life Stages
Juvenile Shamrock orbweaver spiderlings can be found in the vicinity of their hatching site. Look for them on the undersides of leaves or on small, finely woven webs in sheltered areas with abundant insect activity.
Adult Shamrock orbweaver adults are more mobile and can be found on larger webs often constructed between plants or structures. To find them, search for intricate orb webs at head height or higher, especially near light sources that attract flying insects at night.
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Harmful Effects of Shamrock orbweaver
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Toxic to Animals
Icon toxic for
Bite Humans
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Toxic to Animals

Shamrock orbweaver typically poisons other animals through biting with its fangs. In most cases, the toxicity is mild and can cause discomfort mainly to small mammals like dogs or other susceptible creatures. Humans might experience mild symptoms such as localized pain or swelling. Insects, being much smaller, may face more serious consequences due to their size. While adult shamrock orbweaver are the toxic stage, their venom is not powerful enough to cause severe harm to larger animals, but it is an effective defense and hunting tool against smaller ones.

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Bite Humans

Shamrock orbweaver does not characteristically bite humans. If such behavior occurs, it is typically in self-defense. Adult shamrock orbweaver mainly bite as a defense mechanism, employing their fangs to deliver a mild venom that usually has insignificant consequences for humans.

More Effects of Shamrock orbweaver

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