What are Spiders?

An eight-legged predatory arachnid with an unsegmented body consisting of a fused head and thorax and a rounded abdomen. Spiders have fangs that inject poison into their prey, and most kinds spin webs in which to capture insects.

Quick Facts

  • Although spiders are widely feared, only a few species are dangerous to people. Spiders will only bite humans in self-defense, and few produce worse effects than a mosquito bite or bee-sting.
  •  Arachnophobia is one of the most common specific phobias, and some statistics show that 50% of women and 10% of men show symptoms.
  • Most of those with medically serious bites, such as recluse spiders and widow spiders, would rather flee and bite only when trapped, although this can easily arise by accident.

Jumping Spiders

  • Can jump to 25 times its own height.
  • Venom is not medically threatening, and tends to run from humans.
  • Unlikely to infest the indoors.

Black Widows

  • Largest Web-Spinning Spider.
  • Spiderlings are cannibalistic.