---
title: "Four-toothed Mason Wasp"
description: "Monobia quadridens — Insetti e ragni. Monobia quadridens, also known as the four-toothed mason wasp, is a species of solitary potter wasp (subfamily Eumeninae) found in North America."
canonical: https://animalchecklist.com/it/animal/four-toothed-mason-wasp
last_updated: 2026-09-20
---

# Four-toothed Mason Wasp

> Monobia quadridens — Insetti e ragni. Monobia quadridens, also known as the four-toothed mason wasp, is a species of solitary potter wasp (subfamily Eumeninae) found in North America.

- Scientific name: *Monobia quadridens*
- Category: `insects` (Insetti e ragni)
- Habitats: unknown
- iNaturalist observations: 20532
- Wikidata: [Q4044469](https://www.wikidata.org/wiki/Q4044469)
- iNaturalist taxon: [126215](https://www.inaturalist.org/taxa/126215)

## Names

- en: Four-toothed Mason Wasp

## Countries with the most observations

US (17240), CA (1201)

## Summary

Monobia quadridens, also known as the four-toothed mason wasp, is a species of solitary potter wasp (subfamily Eumeninae) found in North America. It grows to a wingspan of 18 mm (0.71 in), and feeds on small caterpillars and pollen. Two generations occur per year, with one generation overwintering as pupae.

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

## Photo

![Four-toothed Mason Wasp](https://animalchecklist.com/img/animals/four-toothed-mason-wasp/medium.jpg)

Photo: Ken Kneidel · CC0 · inaturalist — https://www.inaturalist.org/observations/312517276

## Machine access

`GET https://animalchecklist.com/api/v1/animals/four-toothed-mason-wasp?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).