“The northern black widow, Latrodectus variolus, lives in the northeastern U.S. and southeastern Canada,” Crawford says. These females lack the classic hourglass but instead have two separate ...

The brown recluse and black widow are the most common venomous spiders in the U.S. and Alabama. What are their habitats and ...

The animals most at risk from the black widow's bite are insects—and male black widow spiders. Females sometimes kill and eat their counterparts after mating in a macabre behavior that gave the ...