Black widow spiders, or Latrodectus mactans, are a type of venomous spider species known for their shiny black torsos and the red hourglass-shaped marks on their abdomens. Each year, more than 2,500 ...

Black widow spiders are abundant in Arizona, especially in urban areas with more water and prey. They are most active during the warm nights of spring, summer, and early fall. Black widows are ...