---
title: "Grote renspin"
description: "Thanatus formicinus — Insecten en spinnen. Thanatus formicinus, the diamond spider, diamondback spider or ant running crab spider, is a species of running crab spider belonging to the family Philodromidae."
canonical: https://animalchecklist.com/nl/animal/common-lance-backed-crab-spider
last_updated: 2026-09-20
---

# Grote renspin

> Thanatus formicinus — Insecten en spinnen. Thanatus formicinus, the diamond spider, diamondback spider or ant running crab spider, is a species of running crab spider belonging to the family Philodromidae.

- Scientific name: *Thanatus formicinus*
- Category: `insects` (Insecten en spinnen)
- Habitats: unknown
- iNaturalist observations: 1033
- Wikidata: [Q1313493](https://www.wikidata.org/wiki/Q1313493)
- iNaturalist taxon: [153858](https://www.inaturalist.org/taxa/153858)

## Names

- en: Common Lance-backed Crab Spider
- de: Silbergras-Herzfleckläufer
- fr: Thanate des fourmis
- nl: Grote renspin

## Countries with the most observations

US (56), CA (37), SE (14), FR (11), NL (9), AT (8), DE (7), KZ (7), LU (7), RU (7), DK (5), CZ (4)

## Summary

Thanatus formicinus, the diamond spider, diamondback spider or ant running crab spider, is a species of running crab spider belonging to the family Philodromidae. This species has a Holarctic distribution.

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

## Photo

![Grote renspin](https://animalchecklist.com/img/animals/common-lance-backed-crab-spider/medium.jpg)

Photo: ngoomie · CC0 · inaturalist — https://www.inaturalist.org/observations/207013728

## Machine access

`GET https://animalchecklist.com/api/v1/animals/common-lance-backed-crab-spider?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).