---
title: "Agrarian Sac Spider"
description: "Cheiracanthium inclusum — Owady i pająki. Cheiracanthium inclusum, alternately known as the black-footed yellow sac spider or the American yellow sac spider (in order to distinguish it from its European cousin C."
canonical: https://animalchecklist.com/pl/animal/agrarian-sac-spider
last_updated: 2026-09-20
---

# Agrarian Sac Spider

> Cheiracanthium inclusum — Owady i pająki. Cheiracanthium inclusum, alternately known as the black-footed yellow sac spider or the American yellow sac spider (in order to distinguish it from its European cousin C.

- Scientific name: *Cheiracanthium inclusum*
- Category: `insects` (Owady i pająki)
- Habitats: `forest` (Las), `urban` (Miasta i ogrody)
- iNaturalist observations: 3699
- Wikidata: [Q648583](https://www.wikidata.org/wiki/Q648583)
- iNaturalist taxon: [127401](https://www.inaturalist.org/taxa/127401)

## Names

- en: Agrarian Sac Spider
- es: Araña amarilla de saco patinegra

## Countries with the most observations

BR (320), US (121), MX (23), UY (16), AR (11), CA (6), PR (5), AU (4), CN (4), EC (4), DO (3), GF (3)

## Summary

Cheiracanthium inclusum, alternately known as the black-footed yellow sac spider or the American yellow sac spider (in order to distinguish it from its European cousin C. punctorium), was formerly classified as a true sac spider (of the family Clubionidae), and then placed in the family Miturgidae, but now belongs to family Cheiracanthiidae. It is a rather small pale yellow species that is indigenous to the Americas. It is often found living in the foliage of forests and gardens but also can inhabit human homes. Despite common beliefs of necrosis, Cheiracanthium bites cause only localized swelling. C. inclusum is…

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

## Photo

![Agrarian Sac Spider](https://animalchecklist.com/img/animals/agrarian-sac-spider/medium.jpg)

Photo: Evelyn Lazzaretti 🏳️‍⚧️ · CC0 · inaturalist — https://www.inaturalist.org/observations/268129756

## Machine access

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