Most Dangerous Species
Black Widow
DEADLYRecognizable by the red hourglass marking. Neurotoxic venom can cause severe muscle cramps and paralysis.
Found: Southern & Western US
Symptoms: Muscle pain, nausea, difficulty breathing
Brown Recluse
SEVEREViolin-shaped marking on back. Bite causes tissue necrosis and can lead to severe scarring.
Found: Midwest & Southern US
Symptoms: Skin necrosis, fever, joint pain
Killer Bees
AGGRESSIVEAfricanized honeybees that attack in large swarms. Multiple stings can be fatal.
Found: Southwest US, expanding north
Symptoms: Multiple stings, allergic reactions
Fire Ants
PAINFULAggressive ants that attack in groups. Stings cause burning pain and pustules.
Found: Southern US
Symptoms: Burning pain, pustules, allergic reactions
Kissing Bug
DISEASEBlood-sucking bug that can transmit Chagas disease, a potentially fatal parasitic infection.
Found: Southern US, especially Texas
Symptoms: Chagas disease, heart problems
Murder Hornet
INVASIVELargest hornet species with potent venom. Can kill with multiple stings.
Found: Pacific Northwest (rare)
Symptoms: Severe pain, tissue damage