Ixodida21 species

Family Hard Ticks (Ixodidae)

Ixodidae is a family in the order Ixodida. Browse 21 named species recorded in this family, or open an individual profile for its available identification and natural-history information.

Species in Ixodidae (21)

Cayenne Tick

Amblyomma cajennense

Note: its presence in other parts of North America probably represent introductions that may not be established. Part of a difficult species complex, this species may be A. mixtum based on range. Will revisit after checking more resources. TJH

Gulf Coast Tick

Amblyomma maculatum

Identification: |----------Male---------|--------Female--------| photo , photo - www.insectimages.org It has spurs on the second, third and fourth pairs of legs and more diffuse pale markings on the female than does the lone star tick.

Amblyomma rotundatum

Was likely brought in by accident in the 1930s when the giant or marine toad was introduced to help control beetle pests in sugar cane fields. If not then, then it was between 1955-1964 when the toads were introduced in the Miami area

Rocky Mountain Wood Tick

Dermacentor andersoni

This species is very similar in appearance to Dermacentor variabilis . This range map shows their separate ranges, which may be used to identify them. Identification to the species level is best achieved by comparing morphologic features of the spir

Pacific Coast Tick

Dermacentor occidentalis

Identification: Jon Oliver provided the following characters that can be used to distinguish D. occidentalis from D. variabilis : - Basis capitulum longer than wide - cornua as long as or longer than wide - sizes of scutal punctations not greatly dis

Haemaphysalis leporispalustris

Transmits Coxiella burnetii, Francisella tularensis . Heavy infestations of this tick can weaken and sometimes kill their hosts, or at least predispose them to other pathogens. This tick is an important reservoir and vector of Rocky Mountain spotted

Ixodes affinis

Identification: Males: hypostome with large lateral teeth, small mesal teeth; central portion of scutum with deep punctures Females: trochanters without spurs; basis capituli without rounded process on either projecting anteriorly on each side of hyp

Squirrel Tick

Ixodes marxi

This is one of the species of ticks that has been known to carry Powassan virus, an occasional cause of viral encephalitis in humans (see Internet References).

Western Black-legged Tick

Ixodes pacificus

Identification: Adult and Nymph: legs, head, and thoracic plate black; female abdomen dark reddish; male abdomen blackish; 8 legs; nymph about half as large as adult Larva: 6 legs, lighter color, and about one-quarter as large as adult The Western Bl