[["Black widow spiders get their common name from the popular belief that the female eats the male after mating, a phenomenon which rarely happens in nature.", 31.0], ["According to Sewlal, black widows get their name because \"females [carry] out sexual cannibalism after mating.\" The female often kills and eats the male, which explains the males' short lifespans.", 29.0]]
how did the black widow spider get it's name
literature