Young females are more fertile and easy to woo; older females often mate and then eat the male alive. No wonder they’re called widow spiders. To get sex with an older female, a male might fight ...

but male redback spiders are brown, while male black widow spiders are black or gray. However, this is not where their ...

A relative of the black widow, the brown widow has lighter-colored markings, pale legs with dark joints, and a yellow-orange hourglass marking on its abdomen. The bite is neuropathic like the ...

A relative of the black widow, the brown widow has lighter-colored markings, pale legs with dark joints, and a yellow-orange hourglass marking on its abdomen. The bite is neuropathic like the ...