Posts Tagged 'Spiders'

The Black Widow: A Notorious Spider Species

Posted on October 1 2010 Add Comments

Considered the most venomous spiders in the whole of North America; the mention of the Black widow spider sends a chill down the spine. Though they usually attack in self-defense, the venom of the female spider is considered to be 15 times stronger than that of a rattlesnake.
They are identified by the colored hour-glass shaped [...]

Spiders: Air-breathing Arthropods

Posted on November 17 2009 Add Comments

Spiders are the insects that are air-breathing arthropods, have eight legs and chelicerae modified into fangs that inject venom. Among all other groups of organisms, they rank seventh in total species diversity. Spiders are found world-wide except for Antarctica, and have become established in nearly all ecological niche. Around 40,000 spider species and 109 families [...]