Spot-Celled Sister

Spot-Celled Sister

Adelpha basiloides

Daily sighting probability ~20% · Possible
at Ostional Wildlife Refuge

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

10 Verified sightings at Ostional Wildlife Refuge From 2019 to 2026
163 In all 6 parks
December Best month
☀️ Diurnal When it's spotted

About the Spot-Celled Sister

Adelpha basiloides, the spot-celled sister, is a species of admirals, sisters in the family of butterflies known as Nymphalidae. It is found in North and Central America. The MONA or Hodges number for Adelpha basiloides is 4527. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Ostional Wildlife Refuge 🇨🇷 Costa Rica
~20%
2 Santa Rosa National Park 🇨🇷 Costa Rica
~20%
3 Cumbres de Monterrey National Park 🇲🇽 Mexico
~20%
4 Soberanía National Park 🇵🇦 Panama
~10%
5 Manuel Antonio National Park 🇨🇷 Costa Rica
~10%
6 Parque Natural Metropolitano 🇵🇦 Panama
~10%

Cities Where Found

# City Country Daily sighting probability
1 Monterrey 🇲🇽 México
~10%

Before you go

What are the chances of seeing a Spot-Celled Sister in Ostional Wildlife Refuge?

Possible

About 20% of wildlife watchers report a Spot-Celled Sister sighting in Ostional Wildlife Refuge on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 24th most-seen of the 47 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 Spot-Celled Sister in Ostional Wildlife Refuge?

July and December

In those months about 30% of wildlife watchers report a Spot-Celled Sister in Ostional Wildlife Refuge on a given day, against under 5% in January, March–June and August–November, the lowest months.

What time of day is best to see a Spot-Celled Sister?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Spot-Celled Sister sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Ostional Wildlife Refuge the best place to see a Spot-Celled Sister?

Yes

Of the 6 parks where we can rate Spot-Celled Sister sightings, Ostional Wildlife Refuge has the highest daily chance: about 20%. Next come Santa Rosa National Park (Costa Rica, about 20%) and Cumbres de Monterrey National Park (Mexico, about 20%).

Where does the Spot-Celled Sister sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Spot-Celled Sister is recorded against all the insects logged in Ostional Wildlife Refuge (10 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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