The average brown recluse spider is much smaller than the average black widow spider. For example, brown recluses grow ...

Black widow spiders can stir primordial fear — they lurk in dark corners and their venom can cause excruciating pain, and in extremely rare occasions, death. But they seem to be no match for ...

Brown widow. (credit: FLICKR) The brown widow spider, Latrodectus geometricus, is an invasive species with neurotoxic venom. ... wind speeds and during the day and night.

Southwest Colorado is home to a diverse cast of spiders and arachnids, including several iconic species such as tarantulas, the notorious black widow and bizarre-looking wind scorpions.

When Lacey A. Bluemel saw her first black widow spider tucked beneath a woodpile at her East Falmouth home back in October ...

Though rare in Pennsylvania, black widow spiders offer bites that are medically significant for humans. JasonOndreicka Getty Images/iStockphoto While roughly 3,000 species of spiders are found ...

Black widow spiders can stir primordial fear — they lurk in dark corners and their venom can cause excruciating pain, and in extremely rare occasions, death. But they seem to be no match for … ...