How you can Tell If a Spider Is Venomous

23/03/2011 14:24

There are over 40,000 species of spiders in the world and while most of them are perfectly harmless, there are a number that are incredibly deadly.
Unfortunately, Australia has more than its fair share of lethal spiders and it is every Australians duty to be able to recognise the venomous spiders.

Unfortunately there is no simple rule you can follow, you need to learn what each of the venomous spiders in your area look like so that you can spot them at any time.

The two lethal spiders in Australia are the funnel web and the red back, though the mouse, with tail, wolf and black house spiders are also dangerous.

The funnel web is generally between 25 and 30 millimeters in body length, a shiny black colour with a dark purple abdomen and red hairs. They have long spinnerets, which are appendages at the end of their abdomen. The funnel web has thicker legs and a narrow abdomen.

The red back is hard to indentify because they can vary greatly in size, with a large female having an abdomen the size of a pea, and because they do not always have a red dot on their back, despite their name. The red back has narrow legs and a proportionally larger abdomen.

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