Dermacentor variabilis adults have ornate white-and-brown mottling on the scutum and are roughly the size of a watermelon seed when unfed. They range across most of the eastern United States and a Pacific Coast pocket, and are the principal east-of-the-Rockies vector of Rocky Mountain spotted fever and tularemia.
Dermacentor andersoni inhabits shrub and grassland between roughly 4,000 and 10,500 feet of elevation in the Rocky Mountain west and…
Dermacentor occidentalis is found only along the Pacific coast of California, Oregon, and Washington and inland through California's coast…
Dermacentor occidentalis transmits Rickettsia 364D (now classified as Rickettsia rickettsii subsp. californica), the cause of Pacific…
Rhipicephalus sanguineus is a competent vector of Rickettsia rickettsii in the southwestern United States and northern Mexico, where…
Dermacentor reticulatus, the ornate dog tick, has expanded explosively across central Europe since 2000. It now occupies all 16 German…
Amblyomma cajennense (sensu lato) - now recognized as a complex of six closely related species - is the principal Latin American vector of…