The National Asian Longhorned (Haemaphysalis longicornis) Situation Reports are are produced by the US Department of Agriculture’s Animal Plant Health Inspection Service (APHIS).
These reports include a summary of confirmed local Asian longhorned tick populations with number of counties for each state and a summary of hosts.
Below is a summary of the National Asian Longhorned Situation Report. Click here to view the full report (pdf file).
National Asian Longhorned Situation Report
October 13, 2023
States with confirmed local Asian longhorned tick populations with number of counties in each state.
- Virginia = 39
- West Virginia = 33
- North Carolina = 26
- Pennsylvania = 25
- New Jersey = 21
- New York = 15
- Kentucky = 10
- Maryland = 10
- Tennessee = 10
- Ohio = 11
- Georgia = 4
- Missouri = 4
- Arkansas = 3
- Connecticut = 3
- Delaware = 3
- Indiana = 3
- Massachusetts = 3
- Rhode Island = 3
- South Carolina = 3
Map of confirmed local Asian longhorned tick populations.
Asian longhorned tick positive host information.
- Environment = 462
- White-tailed Deer = 166
- Human = 77
- Dog = 74
- Raccoon = 60
- Cow = 44
- Virginia opossum = 32
- Elk = 16
- Striped Skunk = 14
- Gray Squirrel = 10
- Groundhog = 10
- Gray Catbird = 9
- Cat = 9
- Red Fox = 8
- Red-tailed Hawk = 8
- Eastern Cottontail Rabbit = 6
- Horse = 5
- Chicken = 4
- Coyote = 4
- Gray Fox = 4
- Sheep = 3
- Barred Owl = 2
- Black Bear = 2
- Eastern Chipmunk = 2
- Goat = 2
- Great Horned Owl = 2
- Northern Cardinal = 2
- Blue Jay = 1
- Brown Booby = 1
- Canada Goose = 1
- Carolina Wren = 1
- House Wren = 1
- Pig = 1
- Song Sparrow = 1