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Grey House Spider

Grey House Spider

Badumna longinqua

A species of House spiders, Also known as Desid Spider, Australian house spider

Native to Australia, grey House Spider has extended its range to other countries, including the United States. While the spider prefers temperate climates, its hardy nature allows it to survive in warm and cool temperatures. The spider is typically found in manmade structures where it spins a messy-looking web designed to trap wandering insects.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Grey House Spider
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Attributes of Grey House Spider
Colors
Brown
Black
Gray
White
Habitat
Badumna longinqua is mainly located in temperate zones or climates of the world. Temperate zones or climates are in the middle latitudes, which are found between the tropics and the polar regions. Environmental conditions can limit the success of a species but Badumna longinqua shows great tolerance and survival for varied climates. In most foreign nations including New Zealand, the grey house spider is a synanthropic species and is common in urban habitats and agroecosystems. The species resides almost exclusively in the somewhat artificial environments that are produced as a result of human inhabitancy, and not in wild habitats, for example natural forest. The distinctively messy web of B. longinqua can be found in many urban places, such as nooks and crannies on window frames and walls, in rubbish bins, under furniture, on car bodies and mirrors, trees bases and benches in urban parks, and artificial posies in cemeteries. Badumna longinqua have also been found in cemeteries in artificial flowers, which therefore suggest that they are very suitable to refuge. The species primarily are found living in tree trunks, rock walls, retreats, leaves, and tangled webbing in green shrubs. Badumna longinqua live in grasslands, riparian forests and wetlands. Higher densities of the species populations are found in trees near roads or urban areas where human activity is higher. Commercial Eucalyptus plantations in Uruguay, and Pinus plantations elsewhere provide an abundance of potential homes for the spiders, which often take up residence on the trees, positioning their hideaways under loose bark. In the United States, Badumna longinqua seems to be less reliant on a synanthropic relationship with people and can also be located in woodlands, along immediate coastal areas, within agricultural ecosystems, and recently in vineyards.
Adult Food Sources
Flies, mosquitoes, small moths, beetles, smaller spiders
Venomous
The Grey House Spider 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 Grey House Spider typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
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Predators of Grey House Spider Larvae
Birds, wasps, larger spiders, ants
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Predators of Adult Grey House Spider
Birds, wasps, centipedes, mammalian insectivores, larger spiders, reptiles
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Interesting Facts About Grey House Spider
Grey House Spider can survive underwater for several hours by trapping air in their hairs, effectively creating a diving bell to breathe from while submerged.
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Scientific Classification of Grey House Spider
Tips for Finding Grey House Spider
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Youth Habitat of Grey House Spider
Urban and Suburban Areas, Forests and Woodlands, On and Within Other Organisms
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Adult Habitat of Grey House Spider
Urban and Suburban Areas, Forests and Woodlands, On and Within Other Organisms
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What is the Best Weather to Observe Grey House Spider
Finding grey House Spider may be easier during damp conditions or after a rain, as the humidity can make their webs more visible and they often rebuild their webs during this time.
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How and Where Can You Find Grey House Spider at Different Life Stages
Egg Grey House Spider egg sacs are often found in sheltered, hidden locations such as under eaves, in crevices, or near light sources that attract prey. Inspect these areas gently to locate egg sacs without disturbing them.
Juvenile Juvenile grey House Spider can be located close to where the egg sac was situated, often in webs that are smaller and less structured. They may be found by carefully observing fine webs in corners, under objects, and in similar sheltered spots.
Adult Adult grey House Spider are more conspicuous due to their larger size and more elaborate webs. Look for them by identifying their webs in protected areas, such as between plants, on the sides of buildings, or in other structures that provide a sturdy base for their web.
Are Grey House Spider harmful?
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Harmful Effects of Grey House Spider
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Toxic to Animals
Icon toxic for
Bite Humans
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Toxic to Animals

Grey House Spider typically uses its fangs to deliver a mild venom to deter predators and capture prey. The toxin can cause discomfort in humans and small mammals such as mice upon biting, but it is rarely dangerous. However, insects might suffer more severe consequences due to their smaller size and different physiology, including paralysis or death. Both juvenile and adult stages of grey House Spider possess the capacity to envenomate, utilizing this defense and predatory mechanism throughout their life span.

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Bite Humans

Grey House Spider typically does not bite humans. If disturbed or threatened, grey House Spider might defensively bite as a last resort. Such incidents are uncommon and largely happen accidentally, with the bites being mild and rarely leading to significant consequences for humans.

More Effects of Grey House Spider

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