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 … ...

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 ...

Good or bad? The truth is, that most spiders are good and beneficial. Spiders are beneficial primarily because they prey on and eat insects. A few of our common beneficial spiders include wolf spiders ...

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.

Black widow spiders are not commonly found indoors. They're usually found in old lumber fires, trash piles, and tool sheds, beneath benches, and in basement window wells. They're about 1/2 inch long.

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

Depending on the length of the silk, they can ride the wind for 100 miles or more. ... Widow spiders can be black with red markings or dull brown and red, with orange or red circles on the abdomen.

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.

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 ...