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
December 4th, 2025
Map of Reported Counties.
Number of Infested Counties.
Host Information.
