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Here you will find items of interest in Flora & Fauna. If you cannot find what you require, let us know.

These items are always being added to, so make sure you keep checking.



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False Black Widow

Male Steatoda Grossa............. Female Steatoda Grossa

Latin name: Steatoda Grossa
Size: Head and body length approximately 10mm. Overall size including legs around 40mm.
Found mainly in the southern half of England. Frequently found at coastal areas.
Months seen: All year round.
Habitat: Mainly found in houses and out buildings.
Food: Small insects.
Special features: The abdomen is a red-brown colour with a crescent shaped stripe at the front and three pale triangular spots along the top. These markings vary from spider to spider - sometimes they're cream coloured (as above) and sometimes they're a dull brown. Steatoda grossa is widespread in the south but very under-recorded. Interestingly it is a very close relative of the Black Widow spider. This spider is also known as the False Widow, so closely does it resemble its evil relative. Its bite is far less dangerous than the Black Widow's, but Steatoda Grossa can still use its fangs in a way that is said to be as painful as a wasp sting. Apparently, Steatoda Grossa is quite an aggressive species and it will run at you if you come too close to its web.

Wasp Spider

Wasp Spider .......Wasp Spider

Latin name: Argiope Bruennichi
Description:The females are distinctively marked with a silvery thorax and black, yellow and white striped abdomen, but the males are pale brown.
Female wasp spiders are 11-15mm and males are 4-4.5mm.
Distribution :
It is thought that this species was introduced to this country from continental Europe. Its population was previously confined to the south coast but it seems to be spreading northwards. It has been recorded in this country since 1922 but it may have been here longer
Months seen: All year round.
Habitat: They live in long grass and low vegetation. Because the egg sac is made on grass leaves, this spider can only become established where grass is not regularly managed. But this spider does occasionally turn up in barley fields.
Food: Wasp spiders hunt flying insects and grasshoppers. Experiments have shown that they are also capable of dealing with the fearsome bombardier beetle. The bombardier beetle can produce a blast of hot chemicals from the tip of its abdomen. By wrapping the beetle in silk, the spider can immobilise it from a safe distance

Nursery Web Spider

Nursery Web Spider .......Nursery Web Spider

Latin name: Pisaura Mirabilis
Description: They are grey, yellowish-orange or brown with a pointed abdomen. They tend to sit with their front two pairs of legs together and their rear two pairs of legs together, giving the appearance of having only four legs.
Female nursery web spiders are 12-15mm long and males are 10-13mm
Distribution :
They are common and widespread in Britain, and are found worldwide.
Months seen: All year round.
Habitat: Nursery web spiders predominantly inhabit woodland, but they are also found in long grass and occasionally hedgerows. On colder days these spiders will often come into houses to escape the harsh weather.
Food: They hunt small insects and occasionally other spiders.


Raft Spider Spider

Raft Spider .......Raft Spider

Latin name: Dolomedes Fimbriatus
This large brown and white spider has long, sturdy legs and an oval-shaped abdomen. There are striking pale stripes along the sides of both the carapace and the abdomen. These stripes are due in part to a row of white hairs
The female's body measures up to 22 millimetres (0.87 in) long with a leg span of about 70 mm (2.8 in), as with most spiders the male is considerably smaller.
Distribution :
Found throughout the U.K., but locally distributed.
Months seen: Most of the year.
Habitat: Mostly marshes, swamps and ponds.
Food: Tadpoles, insects and small fish.








Further Information

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Email: secretary@braa.co.uk

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© BRAA 2017   Email: webmaster@braa.co.uk

Last updated 1st January 2017