Amblyomma cajennense is cold-sensitive and active year-round in the Caribbean, Mexico, Central America, and lowland South America, but does not establish breeding populations far inside the continental United States. Travelers returning from rural Latin America are the main route of human exposure.
Amblyomma cajennense (sensu lato) - now recognized as a complex of six closely related species - is the principal Latin American vector of…
Amblyomma maculatum was once confined to a coastal band along the Gulf of Mexico. Established populations now reach Connecticut and the…
A single tick species, Amblyomma americanum, transmits ehrlichiosis from Ehrlichia chaffeensis and E. ewingii, tularemia, Heartland virus,…
Dermacentor variabilis adults have ornate white-and-brown mottling on the scutum and are roughly the size of a watermelon seed when unfed.…
Winter tick (Dermacentor albipictus) outbreaks are tightly coupled to short snow seasons. Late autumns let questing larvae find moose…
Despite expanding overlap with Lyme disease in the southeastern United States, Amblyomma americanum (the lone star tick) does not transmit…