VENOMOUS SPIDERS FOUND IN EACH STATE
Let me start by saying that I am not an arachnologist. This page is designed to list the venomous spiders of each state, but should in no way be considered an authoritative list. This page was compiled from information in the public domain, and has not been reviewed by a professional.
I don't expect everyone to be able to identify all species of spiders found in their area, but I think it is important that they be able to recognize the dangerously venomous ones.
Please take the time to learn about the dangerously venomous spiders and other venomous animals of your own area, and teach your children and loved ones about them as well. In addition to the lists below, I have many links on my Venomous Links page that may assist in learning about the dangerously venomous spiders in your area.
- Alabama
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Alaska
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Arizona
- Apache Recluse - Loxosceles apachea
- Arizona Recluse - Loxosceles arizonica
- Desert Recluse - Loxosceles deserta
- Grand Canyon Recluse - Loxosceles kaiba
- Tucson Recluse - Loxosceles sabina
- Brown Widow - Latrodectus geometricus
- Western Black Widow - Latrodectus hesperus
- Arkansas
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- California
- Arizona Recluse - Loxosceles arizonica
- Baja Recluse - Loxosceles palma
- Chilean Recluse - Loxosceles laeta
- Desert Recluse - Loxosceles deserta
- Martha's Recluse - Loxosceles martha
- Russell's Recluse - Loxosceles russelli
- Brown Widow - Latrodectus geometricus
- Western Black Widow - Latrodectus hesperus
- Colorado
- Western Black Widow - Latrodectus hesperus
- Connecticut
- Northern Black Widow - Latrodectus variolus
- Delaware
- Northern Black Widow - Latrodectus variolus
- Florida
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Red Widow - Latrodectus bishopi
- Southern Black Widow - Latrodectus mactans
- Georgia
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Hawaii
- Brown Widow - Latrodectus geometricus
- Mediterranean Recluse - Loxosceles rufescens
- Southern Black Widow - Latrodectus mactans
- Western Black Widow - Latrodectus hesperus
- Idaho
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Northern Black Widow - Latrodectus variolus
- Western Black Widow - Latrodectus hesperus
- Illinois
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Indiana
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Iowa
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Kansas
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Western Black Widow - Latrodectus hesperus
- Kentucky
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Louisiana
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Maine
- No dangerously venomous spiders are known to exist in Maine.
- Maryland
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Massachusetts
- Northern Black Widow - Latrodectus variolus
- Michigan
- Northern Black Widow - Latrodectus variolus
- Minnesota
- Northern Black Widow - Latrodectus variolus
- Mississippi
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Missouri
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Montana
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Northern Black Widow - Latrodectus variolus
- Western Black Widow - Latrodectus hesperus
- Nebraska
- Brown Recluse - Loxosceles reclusa
- Western Black Widow - Latrodectus hesperus
- Nevada
- Desert Recluse - Loxosceles deserta
- Brown Widow - Latrodectus geometricus
- Western Black Widow - Latrodectus hesperus
- New Hampshire
- Northern Black Widow - Latrodectus variolus
- New Jersey
- Northern Black Widow - Latrodectus variolus
- New Mexico
- Apache Recluse - Loxosceles apachea
- Arizona Recluse - Loxosceles arizonica
- Big Bend Recluse - Loxosceles blanda
- Desert Recluse - Loxosceles deserta
- Brown Widow - Latrodectus geometricus
- Western Black Widow - Latrodectus hesperus
- New York
- Northern Black Widow - Latrodectus variolus
- North Carolina
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- North Dakota
- Western Black Widow - Latrodectus hesperus
- Ohio
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Oklahoma
- Brown Widow - Latrodectus geometricus
- Brown Recluse - Loxosceles reclusa
- Western Black Widow - Latrodectus hesperus
- Southern Black Widow - Latrodectus mactans
- Oregon
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Western Black Widow - Latrodectus hesperus
- Pennsylvania
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Rhode Island
- Northern Black Widow - Latrodectus variolus
- South Carolina
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- South Dakota
- Western Black Widow - Latrodectus hesperus
- Tennessee
- Brown Recluse - Loxosceles reclusa
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Texas
- Apache Recluse - Loxosceles apachea
- Arizona Recluse - Loxosceles arizonica
- Big Bend Recluse - Loxosceles blanda
- Brown Recluse - Loxosceles reclusa
- Brown Widow - Latrodectus geometricus
- Mediterranean Recluse - Loxosceles rufescens
- Brown Widow - Latrodectus geometricus
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Texas Recluse - Loxosceles devia
- Western Black Widow - Latrodectus hesperus
- Utah
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Desert Recluse - Loxosceles deserta
- Western Black Widow - Latrodectus hesperus
- Vermont
- Northern Black Widow - Latrodectus variolus
- Virginia
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Washington
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Western Black Widow - Latrodectus hesperus
- West Virginia
- Northern Black Widow - Latrodectus variolus
- Southern Black Widow - Latrodectus mactans
- Wisconsin
- Northern Black Widow - Latrodectus variolus
- Wyoming
- Hobo Spider or Aggressive House Spider - Tegenaria agrestis
- Western Black Widow - Latrodectus hesperus
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