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 São Paulo on a given day, based on 69 verified sightings from GBIF citizen-science data. It is the 99th most-seen of the 832 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.
September and December–June
In those months about 10% of wildlife watchers report a Marsyas Hairstreak in São Paulo on a given day, against under 5% in July–August and October–November, the lowest months.
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, São Paulo ranks 4th 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%).
Same family: Lycaenidae
The closest relatives of the Marsyas Hairstreak that you can see in São Paulo (family Lycaenidae, Gossamer-winged Butterflies) are Cassius Blue (about 20%), Hanno Blue (about 10%) and Arawacus melibaeus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Marsyas Hairstreak is recorded against all the insects logged in São Paulo (69 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.
