Regional tick guide

Ticks in Idaho

Explore reviewed tick occurrence records for Idaho, with links to identification profiles, evidence and practical guidance.

Reviewed sources

1

linked tick species

State

geographic level

US-ID

location code

1 reviewed species records are currently linked to Idaho.

Introduced, occasional and other records

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

Rocky Mountain wood tick

Also known as: Rocky Mountain tick

Dermacentor andersoni

Present Dermacentor hard_tick Idaho

University of Idaho Extension identifies the Rocky Mountain wood tick in northern Idaho.

Quick view

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

Also known as: 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.

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

Habitats: Rocky Mountain rangeland, Grassland and shrubland

Photographs and visible features may be insufficient for definitive identification.

View species

Practical tick guidance

Related guidance

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

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