Black Blister Beetle

Black Blister Beetle

Epicauta pensylvanica

Daily sighting probability <5% · Rare
at Toronto

In 3 days ~10%

10 Verified sightings at Toronto
August Best month

About the Black Blister Beetle

Epicauta pensylvanica, known generally as the black blister beetle or black aster bug, is a species of burning blister beetle in the family Meloidae. The species name is sometimes spelled with a double "n", "Epicauta pennsylvanica". Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

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

Before you go

What are the chances of seeing a Black Blister Beetle in Toronto?

Rare

Under 5% of wildlife watchers report a Black Blister Beetle sighting in Toronto on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 1068th most-seen of the 1689 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

When is the best time to see a Black Blister Beetle in Toronto?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Black Blister Beetle in Toronto on a given day, so our monthly data shows no clear season.

Is Toronto the best place to see a Black Blister Beetle?

Among the best

Of the 8 cities where we can rate Black Blister Beetle sightings, Toronto ranks 7th at under 5%, level with the leaders once rounded. The best odds are in Montreal (Canada, under 5%), Dallas (United States, under 5%) and Denver (United States, under 5%).

Where does the Black Blister Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Black Blister Beetle is recorded against all the insects logged in Toronto (10 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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