Urbanus dorantes
In 3 days ~40% in a week ~70%
Cecropterus dorantes, the lilac-banded longtail or Dorantes longtail, is a species of butterfly in the family Hesperiidae. It is found from Argentina, north through Central America, Mexico, and the West Indies to southern Texas and peninsular Florida. Strays can be found as far north as northern California, southern Arizona, southern Missouri and North Carolina.
The wingspan is 37–51 mm. There are three to four generations throughout the year in southern Florida and southern Texas. The larvae feed on various legumes, including wild and cultivated Phaseolus species, Desmodium and blue peas Clitoria. Adults feed on flower nectar from various plants, including shepherd's needle, lantana, trilisa, ironweed, and bougainvillea.
Cecropterus dorantes galapagensis (Galapagos) Cecropterus dorantes calafia (Mexico (Baja California)) Cecropterus dorantes cramptoni (Antilles, Puerto... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cabo Pulmo National Park | 🇲🇽 Mexico | |
| 2 | Bahía de Loreto National Park | 🇲🇽 Mexico | |
| 3 | Galápagos Islands | 🇪🇨 Ecuador | |
| 4 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | |
| 5 | Masaya Volcano National Park | 🇳🇮 Nicaragua | |
| 6 | Reserva de la Biosfera Mariposa Monarca | 🇲🇽 Mexico | |
| 7 | Big Cypress National Preserve | 🇺🇸 United States | |
| 8 | Everglades National Park | 🇺🇸 United States | |
| 9 | Iguazú National Park | 🇦🇷 Argentina | |
| 10 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 11 | Merritt Island National Wildlife Refuge | 🇺🇸 United States | |
| 12 | Saguaro National Park | 🇺🇸 United States | |
| 13 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toluca | 🇲🇽 México | |
| 2 | Puebla | 🇲🇽 México | |
| 3 | Guadalajara | 🇲🇽 México | |
| 4 | Mexico City | 🇲🇽 México | |
| 5 | Porto Alegre | 🇧🇷 Brazil | |
| 6 | Vitória | 🇧🇷 Brazil | |
| 7 | San Luis Potosí | 🇲🇽 México | |
| 8 | Fortaleza | 🇧🇷 Brazil | |
| 9 | Managua | 🇳🇮 Nicaragua | |
| 10 | León | 🇲🇽 México |
Possible
About 20% of wildlife watchers report a Dorantes Longtail sighting in Porto Alegre on a given day, based on 38 verified sightings from GBIF citizen-science data. It is the 22nd most-seen of the 226 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.
April and June
In those months about 30% of wildlife watchers report a Dorantes Longtail in Porto Alegre on a given day, against under 5% in August to October, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Dorantes Longtail 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 25 cities where we can rate Dorantes Longtail sightings, Porto Alegre ranks 5th at about 20%, level with the leaders once rounded. The best odds are in Toluca (México, about 20%), Puebla (México, about 20%) and Guadalajara (México, about 20%).
Same family: Hesperiidae
The closest relatives of the Dorantes Longtail that you can see in Porto Alegre (family Hesperiidae, Skippers) are Fiery Skipper (about 20%), Tropical Checkered-Skipper (about 20%) and Southern Guava Skipper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dorantes Longtail is recorded against all the insects logged in Porto Alegre (38 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.
