Top 9 Poisonous Spiders In The Uk (With Pictures)

1. False widow

False widow
False widow

False widow spiders (Steatoda spp.) make up a group of species that can create an alarm when discovered throughout the UK due to their resemblance to more well-known black widow spiders.

False widow spiders originate out of Madeira and are native to the Canary Islands but can currently be found across Europe, North Africa, West Asia, and parts of North and South America.

This species is black on its body and legs, with a distinctive midline pattern visible around its stomachs. False widow spiders consume fruit flies, house flies, bugs beetles, small worms, ticks, and mosquitoes.

They have a body size of between 8.5 to 11 millimeters. False widows may possess a venomous bite the venom isn’t potent.

2. The Tube Web Spider

The Tube Web Spider
The Tube Web Spider

Segestria florentina is the largest European segestriid spider. These species usually have brown or grey on their backs, and their legs are banded. They hunt night-time insects like moths and Cockroaches.

A Tube web spider (Segestria Florentina) is a massive black and intimidating spider. Females can grow up to 22 millimeters in length. Tube web spiders are commonly seen in the vicinity of docks and ports, which would indicate that it was brought to the UK sometime in the past on ships. The scary tube web spider has an unpleasant bite compared to a bee sting.

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3. The Woodlouse Spider

The woodlouse spider Dysdera crocata is a spider that preys on … D. Crocata, which was first discovered in the Mediterranean region. It is simple to recognize. It is a smooth and shiny appearance, with a vast abdomen that is pinkish-grey and has reddish heads and legs.

Females measure between 11 and 15 millimeters, while males measure 9-10 millimeters. Woodlouse spiders can be found under rocks, logs, bricks, pots of plants, and leaf litters in warm locations typically near woodlice.

The woodlouse spider’s jaws are designed to break through the woodlice’s thick armor and can withstand the force of humans an abrasive bite.

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4. The cardinal spider

The cardinal spider
The cardinal spider

Tegenaria parietina can be described as an uncommon spider found in Europe. Its distribution includes Northern Africa to Central Asia and Sri Lanka, and from the West Indies to Uruguay and Argentina in the region where it could be introduced.

They’re brownish-red in color and have large legs with hairy tibias. Bites from the cardinal spider are uncommon; however, they are recognized to strike when they feel threatened.

Females can attain the length of a human body that can reach 20 millimeters, and males as long as 17 millimeters. They are primarily found in structures or walls, and as with most spiders in houses, they can endure arid conditions and last for months without food. The bites aren’t painful.

5. The Money spider

The Money spider
The Money spider

The spiders that make money are often sheet weavers or, scientifically called, Linyphiidae. Linyphiidae are spiders commonly seen throughout The United Kingdom, Ireland, Australia, New Zealand, and Portugal. Most money-spinning species feature a black body with slim, brown legs.

They eat insects, and money spiders also consume tiny invertebrates caught within their webs. A money-spinning spider is little! They can reach just 0.07 in (2 millimeters) long. They are minor and can be seen nearly everywhere throughout the world.

Their habitat is typically fields, low vegetation, holes in the soil. If they can bite through it, they will not have any issues with human skin.

6. The Walnut Orb-Weaver Spider

6. The Walnut Orb-Weaver Spider
6. The Walnut Orb-Weaver Spider

Walnut Orb-weavers are pretty regular garden spiders. Orb-weavers are shared all over the world, except those in the Arctic as well as Antarctica. They are a highly flattened form—dark brown to black female with awe-inspiring small spots on the lower side and abdomen.

Females can grow up to 15 millimeters, males up to 11 millimeters. The animals are usually hidden in tree bark, crevices, and cracks in fences and walls.

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7. The Black Lace-Weaver

The Black Lace-Weaver
The Black Lace-Weaver

Amaurobius Ferox, also known as the black lace weaver, is a nocturnal spider that belongs to the family of Amaurobiidae and the genus Amaurobius. Females up to 16mm; males up to 12 mm. The spider typically has a dark abdomen and a more prominent and paler “cardiac” marking; however, it can be reduced to several light spots.

The black lace-weaver is often found in similar places to A. similis; however, typically under stones or hedgerows, as well as logs. The black lace-weaver spiders are highly venomous, and their bite can cause discomfort.

8. The Wasp Spider

Wasp spiders are very distinct look species. They sport yellow and black stripes that cover their bodies and look like the only species of spider seen throughout the UK. Wasp spiders feed on small invertebrates and especially enjoy grasshoppers and crickets.

The spider wasps are the largest family species; some have a length of more than 5 centimeters (2 inches) in size. The majority are 1.0 or 2.5 millimeters (0.4 up to one inch) long. Wasp wasps can be typically found in grasslands, but they can be found in coastal land areas such as farmland, heathland forests, gardens, and towns.

They utilize venom to stop and kill their prey; however, it’s not a dangerous spider species for humans.

9. The Cross Spider

The Cross Spider
The Cross Spider

It is also known as the Cross Spider or Garden Spider, a well-known orb-weaver spider found throughout Western Europe. They feature zigzag ribbons made of bluish-white silk, creating a partial or complete cross across the center of the web.

The food for this St Andrew’s Cross Spider includes flies, moths, and butterflies, as well as bugs and bees. Similar to male spiders, the St Andrew’s Cross Spider is a smaller female and reaches 4 millimeters in length.

The cross spider can be found across various habitats, including meadows, gardens, and clearings in woodlands and hedgerows. The bite can be a bit painful and is not harmful to humans.

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