The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body shows as splotches or dots.

The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body shows as splotches or dots.

The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body shows as splotches or dots.

The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body shows as splotches or dots.

The bites of female widow spiders tend to pose more of a risk to humans than those of males. The 8-year-old boy in Bolivia found the black widow spider under a stone.

The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body shows as splotches or dots.