Hard Ticks 1
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| A female American dog tick, Dermacentor variabilis (Ixodidae: Acari). | A male American dog tick, Dermacentor variabilis (Ixodidae: Acari). | A female Pacific coast tick, Dermacentor occidentalis (Ixodidae: Acari). |
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| A male Pacific coast tick, Dermacentor occidentalis (Ixodidae: Acari), 'trolling' for a host to provide a blood meal. | A female Rocky Mountain wood tick, Dermacentor andersoni (Ixodidae: Acari). | An engorged and gravid female Rocky Mountain wood tick, Dermacentor andersoni (Ixodidae: Acari), with an egg mass. |
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| .A male Rocky Mountain wood tick, Dermacentor andersoni (Ixodidae: Acari). | A nymph or immature stage of the Rocky Mountain wood tick, Dermacentor andersoni (Ixodidae: Acari) | An engorged nymph or immature stage of the Rocky Mountain wood tick, Dermacentor andersoni (Ixodidae: Acari). |
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