Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

A heroin user deliberately injected herself with a ground-up black widow spider in an attempt to get high. The 37-year-old woman from California, went to hospital in pain and told doctors that she ...

The symptoms: The woman visited the emergency room with severe cramps and muscle pain, primarily in her back, abdomen and thighs. She also reported having a headache and feeling anxious.

Latrodectus hesperus occurs naturally mainly in the western USA and Mexico. The detected species of the Black Widow has not yet been domesticated in Europe, except in Cyprus, but other subspecies of ...

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 ...