Cosmosoma achemon
Daily sighting probability ~10% · With luck
at Masaya Volcano National Park

In 3 days ~40% in a week ~70%

6 Verified sightings at Masaya Volcano National Park From 2019 to 2026
6 In 1 park
October Best month
🌅 Crepuscular When it's spotted

About the Cosmosoma achemon

Cosmosoma achemon is a moth of the family Erebidae. It was described by Johan Christian Fabricius in 1781. It is found from the Antilles to Santarém in Pará, Brazil. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Masaya Volcano National Park 🇳🇮 Nicaragua
~10%

More parks will be added in future updates.

Before you go

What are the chances of seeing a Cosmosoma achemon in Masaya Volcano National Park?

With luck

About 10% of wildlife watchers report a Cosmosoma achemon sighting in Masaya Volcano National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 22nd most-seen of the 38 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see a Cosmosoma achemon in Masaya Volcano National Park?

October

In that month about 40% of wildlife watchers report a Cosmosoma achemon in Masaya Volcano National Park on a given day, against under 5% in February–September and December, the lowest months. That is one of Masaya Volcano National Park's wettest months, with about 390 mm of rain against 15 mm in January.

What time of day is best to see a Cosmosoma achemon?

Between 8 and 11 pm

Across all the parks we cover, that three-hour window holds the most Cosmosoma achemon 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.

Where else can you see a Cosmosoma achemon?

Only Masaya Volcano National Park, in our data

Masaya Volcano National Park is the only park on Wallace's Line with enough records to rate Cosmosoma achemon sightings: about 10% of wildlife watchers there report one on a given day.

Which relatives of the Cosmosoma achemon live in Masaya Volcano National Park?

Same family: Erebidae

The closest relatives of the Cosmosoma achemon that you can see in Masaya Volcano National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Black Witch (about 20%) and Hemeroblemma mexicana (about 10%), with each one's daily chance of a sighting.

Where does the Cosmosoma achemon sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Cosmosoma achemon is recorded against all the insects logged in Masaya Volcano National Park (6 verified sightings from 2019 to 2026), 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.

← Back to Masaya Volcano National Park