Myscelia ethusa
In 3 days ~20% in a week ~50%
Myscelia ethusa, the Mexican bluewing or blue wing, is a butterfly of the family Nymphalidae. The species was first described by Louis Michel François Doyère in 1840. It is found from Colombia north through Central America to Mexico. Strays can be found up to the lower Rio Grande Valley of Texas in the United States.
The wingspan is 64–76 mm (2.5–3.0 in). Many generations occur per year. The larvae feed on the Dalechampia species. Adults feed on rotting fruit. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 2 | Cañón del Sumidero National Park | 🇲🇽 Mexico |
With luck
About 10% of wildlife watchers report a Mexican Bluewing sighting in Cañón del Sumidero National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 30th most-seen of the 46 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
February
In that month about 20% of wildlife watchers report a Mexican Bluewing in Cañón del Sumidero National Park on a given day, against under 5% in April–June and September–December, the lowest months. That is one of Cañón del Sumidero National Park's driest months, with about 5 mm of rain against 260 mm in June.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Mexican Bluewing sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Mexican Bluewing sightings, Cañón del Sumidero National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Calakmul Biosphere Reserve (Mexico, about 10%).
Same family: Nymphalidae
The closest relatives of the Mexican Bluewing that you can see in Cañón del Sumidero National Park (family Nymphalidae, Brush-footed Butterflies) are Malachite (about 20%), Zebra Longwing (about 20%) and Limenitis iphiclus (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Mexican Bluewing is recorded against all the insects logged in Cañón del Sumidero 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.
