Guide régional des tiques

Tiques à Colorado

Explorez les signalements de tiques pour Colorado, avec des liens vers les profils d'identification, les preuves et les conseils pratiques.

Sources examinées

5

espèces de tiques apparentées

State

Niveau géographique

US-CO

code d'emplacement

5 relevés d'espèces validés sont actuellement liés à Colorado.

Données d’espèces introduites, occasionnelles et autres

Adult female Amblyomma americanum lone star tick showing the central pale spot

Lone star tick

Amblyomma americanum

Rare Amblyomma hard_tick Colorado

Colorado State University Extension records the lone star tick as very rare, with possible occurrence in extreme eastern or southeastern Colorado.

Aperçu rapide

An aggressive human-biting hard tick widely distributed in the eastern United States and especially common in the South. Larvae, nymphs and adults bite people.

Identification:

The adult female has a single pale or white spot near the centre of the scutum. Adult males have pale markings around the posterior margin rather than one central spot. Mouthparts are relatively long.

Hôtes: Humans, White-tailed deer, Small mammals, Birds, Dogs

Habitats: Woodland, Woodland edges and trails, Grassland and shrubland

Les photographies et les caractéristiques visibles peuvent ne pas suffire pour une identification définitive.

Voir les espèces
Magnified dorsal view of a Dermacentor albipictus winter tick larva

Winter tick

Dermacentor albipictus

Present Dermacentor hard_tick Colorado

Colorado State University Extension includes the winter tick among common ticks found in Colorado.

Aperçu rapide

A one-host Dermacentor species widely known as the winter tick. Human encounters are reported, while health claims require association-specific evidence.

Identification:

A hard tick in the genus Dermacentor. Species confirmation requires examination of diagnostic morphology; photographs, host and location alone may be insufficient.

Hôtes: Humans, Horses

Les photographies et les caractéristiques visibles peuvent ne pas suffire pour une identification définitive.

Voir les espèces
Adult female Dermacentor andersoni on the left and adult male on the right with scutum differences marked

Rocky Mountain wood tick

Également connu sous le nom de: Rocky Mountain tick

Dermacentor andersoni

Present Dermacentor hard_tick Colorado

Colorado State University Extension identifies the Rocky Mountain wood tick as the most common tick species that bites people in Colorado.

Aperçu rapide

A hard tick of the Rocky Mountain states and southwestern Canada. Adults are the principal stage associated with pathogen transmission to humans.

Également connu sous le nom de: Rocky Mountain tick

Identification:

Adults are ornate Dermacentor ticks with short mouthparts, eyes and festoons. Females have a cream-patterned anterior scutum; males show pale mottling across most of the dorsum.

Hôtes: Humans, Small mammals, Large mammals, Livestock, Dogs

Habitats: Rocky Mountain rangeland, Grassland and shrubland

Les photographies et les caractéristiques visibles peuvent ne pas suffire pour une identification définitive.

Voir les espèces
Adult male and female Dermacentor variabilis American dog ticks on a blade of grass

American dog tick

Également connu sous le nom de: Wood tick

Dermacentor variabilis

Present Dermacentor hard_tick Colorado

Colorado State University Extension records the American dog tick in Colorado, while noting it is uncommon and often associated with pet movement.

Aperçu rapide

A widespread North American hard tick. Adults commonly bite dogs and humans, while larvae and nymphs feed mainly on small mammals.

Également connu sous le nom de: Wood tick

Identification:

Adults have short mouthparts, eyes and festoons, with pale ornamentation on the dorsal shield. Females have a pale patterned scutum at the front; males have ornamentation across most of the dorsum.

Hôtes: Humans, Dogs, Small mammals, Large mammals

Habitats: Woodland edges and trails, Grassland and shrubland

Les photographies et les caractéristiques visibles peuvent ne pas suffire pour une identification définitive.

Voir les espèces
Adult female and male Rhipicephalus sanguineus brown dog ticks in dorsal view

Brown dog tick

Rhipicephalus sanguineus

Present Colorado

Colorado State University Extension includes the brown dog tick among ticks found in Colorado.

Aperçu rapide

A globally distributed, dog-associated hard tick able to complete its life cycle in buildings and kennels. UK records are linked to importation; UKHSA reports no current evidence of establishment outdoors or as a resident UK population.

Identification:

Laterally produced angular basis capituli.

Eyes and festoons present.

Scutum lacks ornamentation.

Mouthparts relatively short compared with the basis capituli.

Coxa I has large paired internal and external spurs.

Rhipicephalus sanguineus is a species complex in some literature; expert morphological and sometimes molecular review may be necessary.

Les photographies et les caractéristiques visibles peuvent ne pas suffire pour une identification définitive.

Voir les espèces

Practical tick guidance

Related guidance

Use these VuxLore® resources alongside the location records and species profiles above.

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