---
title: "Rocky Mountain Maple Felt Mite"
description: "Aceria calaceris — Insekten & Spinnen. Aceria calaceris, the Rocky Mountain maple felt mite, is a species of eriophyid mite found in the western United States and Canada."
canonical: https://animalchecklist.com/de/animal/rocky-mountain-maple-felt-mite
last_updated: 2026-09-20
---

# Rocky Mountain Maple Felt Mite

> Aceria calaceris — Insekten & Spinnen. Aceria calaceris, the Rocky Mountain maple felt mite, is a species of eriophyid mite found in the western United States and Canada.

- Scientific name: *Aceria calaceris*
- Category: `insects` (Insekten & Spinnen)
- Habitats: `forest` (Wald)
- iNaturalist observations: 2710
- iNaturalist taxon: [913531](https://www.inaturalist.org/taxa/913531)

## Names

- en: Rocky Mountain Maple Felt Mite

## Countries with the most observations

US (1015), CA (607)

## Summary

Aceria calaceris, the Rocky Mountain maple felt mite, is a species of eriophyid mite found in the western United States and Canada. This microscopic organism induces galls on the upper leaf surfaces of Rocky Mountain maple, Balkan maple, and Oregon maple.

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

## Photo

![Rocky Mountain Maple Felt Mite](https://animalchecklist.com/img/animals/rocky-mountain-maple-felt-mite/medium.jpg)

Photo: Ellyne Geurts · CC0 · inaturalist — https://www.inaturalist.org/observations/95510266

## Machine access

`GET https://animalchecklist.com/api/v1/animals/rocky-mountain-maple-felt-mite?lang=de` — see [openapi.json](https://animalchecklist.com/openapi.json).