Pseudolycaena marsyas
In 3 days ~20% in a week ~40%
Pseudolycaena marsyas, the Cambridge blue, giant hairstreak or Marsyas hairstreak, is a species of butterfly in the family Lycaenidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Main Ridge Forest Reserve | 🇹🇹 Trinidad and Tobago | |
| 2 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 3 | Iguazú National Park | 🇦🇷 Argentina | |
| 4 | Iguaçu National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Porto Alegre | 🇧🇷 Brazil | |
| 2 | São Luís | 🇧🇷 Brazil | |
| 3 | Vitória | 🇧🇷 Brazil | |
| 4 | São Paulo | 🇧🇷 Brazil | |
| 5 | Lima | 🇵🇪 Peru | |
| 6 | Brasilia | 🇧🇷 Brazil | |
| 7 | Rio de Janeiro | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Marsyas Hairstreak sighting in Brasilia on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 84th most-seen of the 102 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
April–May, July and September
In those months about 10% of wildlife watchers report a Marsyas Hairstreak in Brasilia on a given day, against under 5% in June, August and October–March, the lowest months. Those are among Brasilia's driest months, with about 40 mm of rain a month against 220 mm in December.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Marsyas Hairstreak sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 7 cities where we can rate Marsyas Hairstreak sightings, Brasilia ranks 6th at about 10%, level with the leaders once rounded. The best odds are in Porto Alegre (Brazil, about 10%), São Luís (Brazil, about 10%) and Vitória (Brazil, about 10%).
GBIF citizen-science records
It is estimated from how often the Marsyas Hairstreak is recorded against all the insects logged in Brasilia (5 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.
