Aster Eucosma Moth

Aster Eucosma Moth

Eucosma parmatana

Daily sighting probability <5% · Rare
at Chicago

In 3 days ~10% in a week ~20%

18 Verified sightings at Chicago
6 In 1 park From 2019 to 2026
August Best month
🌅 Crepuscular When it's spotted

About the Aster Eucosma Moth

Eucosma parmatana is a species of olethreutine leafroller moth in the family Tortricidae, found in North America. The MONA or Hodges number for Eucosma parmatana is 2937. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Acadia National Park 🇺🇸 United States
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Toronto 🇨🇦 Canada
<5%
2 Chicago 🇺🇸 United States
<5%
3 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing an Aster Eucosma Moth in Chicago?

Rare

Under 5% of wildlife watchers report an Aster Eucosma Moth sighting in Chicago on a given day, based on 18 verified sightings from GBIF citizen-science data. It is the 505th most-seen of the 978 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see an Aster Eucosma Moth in Chicago?

Any time of year

In every month with enough records, under 5% of wildlife watchers report an Aster Eucosma Moth in Chicago on a given day, so our monthly data shows no clear season.

What time of day is best to see an Aster Eucosma Moth?

Between 7 and 10 pm

Across all the parks we cover, that three-hour window holds the most Aster Eucosma Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.

Is Chicago the best place to see an Aster Eucosma Moth?

Among the best

Of the 3 cities where we can rate Aster Eucosma Moth sightings, Chicago ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Toronto (Canada, under 5%).

Where does the Aster Eucosma Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Aster Eucosma Moth is recorded against all the insects logged in Chicago (18 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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