---
title: "Red-fringed Emerald"
description: "Nemoria bistriaria — Insetti e ragni. Nemoria bistriaria, the red-fringed emerald or two-striped emerald, is a species of moth of the family Geometridae."
canonical: https://animalchecklist.com/it/animal/red-fringed-emerald
last_updated: 2026-09-20
---

# Red-fringed Emerald

> Nemoria bistriaria — Insetti e ragni. Nemoria bistriaria, the red-fringed emerald or two-striped emerald,  is a species of moth of the  family Geometridae.

- Scientific name: *Nemoria bistriaria*
- Category: `insects` (Insetti e ragni)
- Habitats: unknown
- iNaturalist observations: 11882
- Wikidata: [Q6991307](https://www.wikidata.org/wiki/Q6991307)
- iNaturalist taxon: [203831](https://www.inaturalist.org/taxa/203831)

## Names

- en: Red-fringed Emerald
- es: Polilla verde esmeralda

## Countries with the most observations

US (4557), CA (1543), MX (26)

## Summary

Nemoria bistriaria, the red-fringed emerald or two-striped emerald,  is a species of moth of the  family Geometridae. It is found from New Brunswick to Florida, west to Central Coast of California, north to Ontario.
The wingspan is about 22 mm. Adults are on wing from March to October in the south and from May to August in the north. There are at least two generations per year.

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

## Photo

![Red-fringed Emerald](https://animalchecklist.com/img/animals/red-fringed-emerald/medium.jpg)

Photo: Samuel Paul Galick · CC0 · inaturalist — https://www.inaturalist.org/observations/154656503

## Machine access

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