The largest spider in the world is a species of tarantula found in South America where one specimen had a leg span of over 11 inches. The bite of a female black widow spider can be poisonous but not deadly to humans. The male black widow spider does not bite. A black widow spider bite is pale in the middle with a red ring around it and is followed by severe cramping, weakness, sweating, headache, anxiety, itching, nausea, vomiting, difficult breathing and increased blood pressure.
Some facts about spiders:-
Black widow spiders eat other pests. Sometimes they even eat other spiders!
Spiders don’t get caught in their own webs because they have self-oiling legs.
Female black widow spiders have a red hourglass shape on their backs
Males only live about a year, but the female can live up to 3 years.
Hungry female black widow spiders have been known to kill the male spider after mating,
Size: 3/4″ to 3/8″
Color: Black with characteristic red “hourglass” on back
Common Name: Black widow spider
Species: Lactrodectrus mactans