Pitted Mason Wasp

Pitted Mason Wasp

Euodynerus foraminatus

Daily sighting probability ~10% · With luck
at Boston

In 3 days ~20% in a week ~30%

64 Verified sightings at Boston
7 In 1 park From 2019 to 2026
August Best month
☀️ Diurnal When it's spotted

About the Pitted Mason Wasp

Euodynerus foraminatus is a species of potter or mason wasp in the family Vespidae. It is notable as a hymenopteran with fertile diploid males. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Acadia National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Minneapolis [Saint Paul] 🇺🇸 United States
~10%
2 Boston 🇺🇸 United States
~10%
3 Toronto 🇨🇦 Canada
<5%
4 Dallas 🇺🇸 United States
<5%
5 Chicago 🇺🇸 United States
<5%
6 Montreal 🇨🇦 Canada
<5%
7 Baltimore 🇺🇸 United States
<5%
8 Austin 🇺🇸 United States
<5%
9 New York City 🇺🇸 United States
<5%
10 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Pitted Mason Wasp in Boston?

With luck

About 10% of wildlife watchers report a Pitted Mason Wasp sighting in Boston on a given day, based on 64 verified sightings from GBIF citizen-science data. It is the 213th most-seen of the 1200 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Pitted Mason Wasp in Boston?

June to September

In those months about 10% of wildlife watchers report a Pitted Mason Wasp in Boston on a given day, against under 5% in October to May, the lowest months.

What time of day is best to see a Pitted Mason Wasp?

Between 1 and 4 am

Across all the parks we cover, that three-hour window holds the most Pitted Mason Wasp sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Boston the best place to see a Pitted Mason Wasp?

Among the best

Of the 10 cities where we can rate Pitted Mason Wasp sightings, Boston ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Minneapolis [Saint Paul] (United States, about 10%).

Where does the Pitted Mason Wasp sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Pitted Mason Wasp is recorded against all the insects logged in Boston (64 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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