Houston Home Inspector Provides Information About The Black Widow
Description: Male 1/8" (3-4 mm), Female 3/8" (8-10 mm); Black. The male's abdomen is elongate with white and red
markings on the sides. The female's abdomen is almost spherical, usually with red hourglass mark below or with 2
transverse red marks separated by black. The legs of the male are much longer in proportion to the body than those
of the female. Spiderling are orange, brown, and white, gaining more black at each molt.
* Food: Insects.
* Web Irregular mesh with a funnel-shaped retreat, built in sheltered spots.
* Life Cycle Female rarely leaves web, stays close to egg mass, biting defensively if disturbed. Pear-shaped egg
sac, 3/8-1/2" (8-12 mm) wide, is pale brown. Female stores sperm, producing more egg sacs without mating.
Spiderlings disperse soon after hatching. Some females live more than 3 years
* Habitat Among fallen branches and under objects of many kinds, including furniture, outhouse seats, and
* Range Massachusetts to Florida, west to California, Texas, Oklahoma, and Kansas; most common in the South.
* Despite its reputation, this spider often attempts to escape rather than bite, unless it is guarding an egg
mass. Males do not bite. After mating, the female often eats the male, earning the name "widow."