The longhorned tick feeds on a wide range of mammals and birds, including cattle, sheep pigs, chickens as well as bear, deer, fox, rabbits, smaller mammals and wild birds. It also feeds on dogs, cats and humans. This tick spreads quickly through herds of domestic and wild animals. It may have arrived in the US through human travel or the transport of animals, as the USDA has intercepted specimens at inspection points in US ports. Wild migratory birds can carry these ticks, and so can animals that move great distances, such as coyotes. Even though it has been discovered in just a handful of states, the longhorned tick is likely much more widespread.
An interesting aspect of the biology of longhorned ticks is that females can reproduce asexually through a process known as parthenogenesis. Females do not need to seek a mate an