---
title: "Castianeira longipalpa"
description: "Castianeira longipalpus — Insecten en spinnen. Castianeira longipalpa is an ant mimic spider species in the family Corinnidae."
canonical: https://animalchecklist.com/nl/animal/long-palped-ant-mimic-sac-spider
last_updated: 2026-09-20
---

# Castianeira longipalpa

> Castianeira longipalpus — Insecten en spinnen. Castianeira longipalpa is an ant mimic spider species in the family Corinnidae.

- Scientific name: *Castianeira longipalpus*
- Category: `insects` (Insecten en spinnen)
- Habitats: `forest` (Bos), `grassland` (Weiden en velden)
- iNaturalist observations: 4531
- Wikidata: [Q4522104](https://www.wikidata.org/wiki/Q4522104)
- iNaturalist taxon: [70300](https://www.inaturalist.org/taxa/70300)

## Names

- en: Long-palped Ant-mimic Sac Spider
- de: Castianeira longipalpa
- es: Araña imitadora de hormigas atigrada
- fr: Araignée fourmi zébrée
- it: Castianeira longipalpa
- nl: Castianeira longipalpa
- pt: Castianeira longipalpa
- pl: Castianeira longipalpa

## Countries with the most observations

US (773), CA (70), MX (7)

## Summary

Castianeira longipalpa is an ant mimic spider species in the family Corinnidae. 
They can be dark grey, brown or black and possess numerous transverse bands on their abdomen. Females are 7–9 mm long and males are 5.5–6 mm long. They are fast runners,  often active during the day, living on the ground and among leaves or under rocks and other debris in prairies, deciduous forests,  shrubby areas, and wooded sand dunes. They are the most widespread member of the genus Castianeira in the United States and Canada.

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

## Photo

![Castianeira longipalpa](https://animalchecklist.com/img/animals/long-palped-ant-mimic-sac-spider/medium.jpg)

Photo: kellysater · CC0 · inaturalist — https://www.inaturalist.org/observations/179982159

## Machine access

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