The first signs of a black widow spider bite are usually a pinprick sensation, minor swelling, redness and a target-shaped sore, Medline Plus explains. Within 15 minutes to an hour of getting the bite ...
Red widow spiders have entirely red-brown bodies, with the exception of their black abdomen. ©Florida Division of Plant Industry Archive / CC BY 3.0 US, via Wikimedia Commons – Original ...
The brown widow spider (Latrodectus geometricus) is a lesser-known relative of the infamous black widow. The first brown widow spider was discovered in Los Angeles in early 2000. A member of the ...