---
title: "Pacific Coast Tick"
description: "Dermacentor occidentalis — Insekten & Spinnen. Dermacentor occidentalis, also known as the Pacific coast tick, is a species of wood tick in the arthropod family Ixodidae."
canonical: https://animalchecklist.com/de/animal/pacific-coast-tick
last_updated: 2026-09-20
---

# Pacific Coast Tick

> Dermacentor occidentalis — Insekten & Spinnen. Dermacentor occidentalis, also known as the Pacific coast tick, is a species of wood tick in the arthropod family Ixodidae.

- Scientific name: *Dermacentor occidentalis*
- Category: `insects` (Insekten & Spinnen)
- Habitats: unknown
- iNaturalist observations: 5237
- Wikidata: [Q10469453](https://www.wikidata.org/wiki/Q10469453)
- iNaturalist taxon: [83016](https://www.inaturalist.org/taxa/83016)

## Names

- en: Pacific Coast Tick
- es: Garrapata de la costa del Pacífico

## Countries with the most observations

US (4057), MX (13)

## Summary

Dermacentor occidentalis, also known as the Pacific coast tick, is a species of wood tick in the arthropod family Ixodidae. This species is part of the coastal California biome. Host species include humans. When not engorged with blood, they measure about 4.5 millimeters long. The exoskeleton is a silvery-gray color.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Dermacentor_occidentalis

## Photo

![Pacific Coast Tick](https://animalchecklist.com/img/animals/pacific-coast-tick/medium.jpg)

Photo: Isaac Caswell · CC0 · inaturalist — https://www.inaturalist.org/observations/51803728

## Machine access

`GET https://animalchecklist.com/api/v1/animals/pacific-coast-tick?lang=de` — see [openapi.json](https://animalchecklist.com/openapi.json).