---
title: "Red-spotted Ant-mimic Sac Spider"
description: "Castianeira descripta — Owady i pająki. Castianeira descripta, the redspotted antmimic, is a species of true spider in the family Corinnidae."
canonical: https://animalchecklist.com/pl/animal/red-spotted-ant-mimic-sac-spider
last_updated: 2026-09-20
---

# Red-spotted Ant-mimic Sac Spider

> Castianeira descripta — Owady i pająki. Castianeira descripta, the redspotted antmimic, is a species of true spider in the family Corinnidae.

- Scientific name: *Castianeira descripta*
- Category: `insects` (Owady i pająki)
- Habitats: unknown
- iNaturalist observations: 3135
- Wikidata: [Q2191193](https://www.wikidata.org/wiki/Q2191193)
- iNaturalist taxon: [153585](https://www.inaturalist.org/taxa/153585)

## Names

- en: Red-spotted Ant-mimic Sac Spider
- es: Araña de mancha roja imitadora de hormigas
- fr: Araignée fourmi à tache rousse

## Countries with the most observations

US (731), CA (25), MX (8)

## Summary

Castianeira descripta, the redspotted antmimic, is a species of true spider in the family Corinnidae. It is found in the United States and Canada.

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

## Photo

![Red-spotted Ant-mimic Sac Spider](https://animalchecklist.com/img/animals/red-spotted-ant-mimic-sac-spider/medium.jpg)

Photo: Judy Aschner · CC0 · inaturalist — https://www.inaturalist.org/observations/215408900

## Machine access

`GET https://animalchecklist.com/api/v1/animals/red-spotted-ant-mimic-sac-spider?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).