Female black widow spiders have a distinctive black and red color in the shape of an hour glass on underside of the abdomen.
Its found in North America, Mexico and Central America.
The bite is quite venomous even though the poison seldom kills adult human beings. However, it can cause illness for children.
Males and juveniles resemble in color with the abdomen appearing grayish to black with white stripes or spotted yellow and orange. They are also much smaller in size compared to the female.
The female is known to eat the male after reproduction even though not always.
Size : 3/4 inches to 3/8 inches
Shape : Round
Color : Black with characteristic red hourglass on back
Legs : 8
Wings : No
Antenna : No
Common Name : Black Widow Spider
Kingdom : Animalia
Phylum : Arthropoda
Class : Arachnida
Order : Araneae
Family : Theridiidae
Species : Lactrodectus mactans
Diet : The black widow generally eats other insects that fall or get trapped onto their web. This includes houseflies, mosquitoes and many flying and crawling insects.