Mesene hya silhouette

Silhouette: Mattia Menchetti · PhyloPic

Daily sighting probability ~10% · With luck
at Iguaçu National Park

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

5 Verified sightings at Iguaçu National Park From 2019 to 2026
11 In all 2 parks
May Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Iguazú National Park 🇦🇷 Argentina
~10%
2 Iguaçu National Park 🇧🇷 Brazil
~10%

Before you go

What are the chances of seeing a Mesene hya in Iguaçu National Park?

With luck

About 10% of wildlife watchers report a Mesene hya sighting in Iguaçu National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 246th most-seen of the 279 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 Mesene hya in Iguaçu National Park?

May–June and August–September

In those months about 10% of wildlife watchers report a Mesene hya in Iguaçu National Park on a given day, against under 5% in July and October–April, the lowest months.

What time of day is best to see a Mesene hya?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Mesene hya sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Iguaçu National Park the best place to see a Mesene hya?

Among the best

Of the 2 parks where we can rate Mesene hya sightings, Iguaçu National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Iguazú National Park (Argentina, about 10%).

Which relatives of the Mesene hya live in Iguaçu National Park?

Same family: Lycaenidae

The closest relatives of the Mesene hya that you can see in Iguaçu National Park (family Lycaenidae, Gossamer-winged Butterflies) are Separated Stripestreak (about 20%), Great Emesis (about 10%) and Cassius Blue (about 10%), with each one's daily chance of a sighting.

Where does the Mesene hya sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Mesene hya is recorded against all the insects logged in Iguaçu National Park (5 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.

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