Thecla una silhouette

Silhouette: Michael Day · PhyloPic

Daily sighting probability ~10% · With luck
at Rosario

In 3 days ~30% in a week ~50%

6 Verified sightings at Rosario
April Best month

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 São Luís 🇧🇷 Brazil
~10%
2 Rosario 🇦🇷 Argentina
~10%
3 São Paulo 🇧🇷 Brazil
<5%

Before you go

What are the chances of seeing a Thecla una in Rosario?

With luck

About 10% of wildlife watchers report a Thecla una sighting in Rosario on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 71st most-seen of the 82 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Thecla una in Rosario?

April

In that month about 30% of wildlife watchers report a Thecla una in Rosario on a given day, against under 5% in May to January, the lowest months.

Is Rosario the best place to see a Thecla una?

Among the best

Of the 3 cities where we can rate Thecla una sightings, Rosario ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in São Luís (Brazil, about 10%).

Which relatives of the Thecla una live in Rosario?

Same family: Lycaenidae

The closest relatives of the Thecla una that you can see in Rosario (family Lycaenidae, Gossamer-winged Butterflies) are Strymon eurytulus (about 20%), Lantana Scrub-Hairstreak (about 10%) and Cassius Blue (about 10%), with each one's daily chance of a sighting.

Where does the Thecla una sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Thecla una is recorded against all the insects logged in Rosario (6 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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