---
title: "Horned Parasitic Cobweaver"
description: "Neospintharus trigonum — Insetti e ragni. Neospintharus trigonum is a species of cobweb spider in the family Theridiidae."
canonical: https://animalchecklist.com/it/animal/horned-parasitic-cobweaver
last_updated: 2026-09-20
---

# Horned Parasitic Cobweaver

> Neospintharus trigonum — Insetti e ragni. Neospintharus trigonum is a species of cobweb spider in the family Theridiidae.

- Scientific name: *Neospintharus trigonum*
- Category: `insects` (Insetti e ragni)
- Habitats: unknown
- iNaturalist observations: 790
- Wikidata: [Q4112414](https://www.wikidata.org/wiki/Q4112414)
- iNaturalist taxon: [225736](https://www.inaturalist.org/taxa/225736)

## Names

- en: Horned Parasitic Cobweaver
- fr: Araignée bille triangle

## Countries with the most observations

US (239), CA (54)

## Summary

Neospintharus trigonum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.
Females of produce clutches containing approximately 42 eggs. Each egg measures about 0.67 mm in diameter and weighs around 0.17 mg. The average female body mass is about 10.9 mg.

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

## Photo

![Horned Parasitic Cobweaver](https://animalchecklist.com/img/animals/horned-parasitic-cobweaver/medium.jpg)

Photo: Trevor Clarke · CC0 · inaturalist — https://www.inaturalist.org/observations/366416059

## Machine access

`GET https://animalchecklist.com/api/v1/animals/horned-parasitic-cobweaver?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).