---
title: "Fall Webworm Moth"
description: "Hyphantria cunea — Insetos e aranhas. The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall."
canonical: https://animalchecklist.com/pt/animal/fall-webworm-moth
last_updated: 2026-09-20
---

# Fall Webworm Moth

> Hyphantria cunea — Insetos e aranhas. The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall.

- Scientific name: *Hyphantria cunea*
- Category: `insects` (Insetos e aranhas)
- Habitats: `forest` (Floresta), `urban` (Cidades e jardins)
- iNaturalist observations: 80978
- Wikidata: [Q1333342](https://www.wikidata.org/wiki/Q1333342)
- iNaturalist taxon: [127133](https://www.inaturalist.org/taxa/127133)

## Names

- en: Fall Webworm Moth
- de: Amerikanischer Webebär
- es: Gusano de Bolsa
- fr: Écaille fileuse
- pl: Oprzędnica jesienna

## Countries with the most observations

US (50722), CA (10141), IT (1677), KR (1173), UA (425), CN (280), RU (146), MX (133), JP (79), TR (77), RO (58), HU (42)

## Summary

The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is considered a pest but does not harm otherwise healthy trees. It is well known to commercial tree services and arboriculturists. Fall webworms are an invasive species in East Asia.

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

## Photo

![Fall Webworm Moth](https://animalchecklist.com/img/animals/fall-webworm-moth/medium.jpg)

Photo: Liubov Ilminska · CC0 · inaturalist — https://www.inaturalist.org/observations/113007206

## Machine access

`GET https://animalchecklist.com/api/v1/animals/fall-webworm-moth?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).