Asian Longhorned Tick - Cooperative Extension: Tick Lab - University of Maine Cooperative Extension

Scientific Name: Haemaphysalis longicornis Common Name: Asian longhorned tick Description: Adult Asian longhorned ticks are small (roughly 1/8 inch long), reddish-brown ticks with no distinctive body patterns. Unfed adults are generally about the size of a sesame seed, while engorged adult females may grow to approximately 1/2 inch in length. Males are rare in U.S.