---
title: "Lesser Maple Spanworm Moth"
description: "Macaria pustularia — Insetti e ragni. Speranza pustularia, the lesser maple spanworm, is a moth of the family Geometridae native to North America."
canonical: https://animalchecklist.com/it/animal/lesser-maple-spanworm-moth
last_updated: 2026-09-20
---

# Lesser Maple Spanworm Moth

> Macaria pustularia — Insetti e ragni. Speranza pustularia, the lesser maple spanworm, is a moth of the family Geometridae native to North America.

- Scientific name: *Macaria pustularia*
- Category: `insects` (Insetti e ragni)
- Habitats: `forest` (Foresta)
- iNaturalist observations: 25559
- Wikidata: [Q127375822](https://www.wikidata.org/wiki/Q127375822)
- iNaturalist taxon: [736797](https://www.inaturalist.org/taxa/736797)

## Names

- en: Lesser Maple Spanworm Moth

## Countries with the most observations

US (16734), CA (7892)

## Summary

Speranza pustularia, the lesser maple spanworm, is a moth of the family Geometridae native to North America. Adults are on wing from May to July in the south and from June to August in the north. There is one generation per year.

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

## Photo

![Lesser Maple Spanworm Moth](https://animalchecklist.com/img/animals/lesser-maple-spanworm-moth/medium.jpg)

Photo: Samuel Paul Galick · CC0 · inaturalist — https://www.inaturalist.org/observations/291726189

## Machine access

`GET https://animalchecklist.com/api/v1/animals/lesser-maple-spanworm-moth?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).