Eurema daira
In 3 days ~30% in a week ~60%
Eurema daira, the fairy yellow, barred yellow or barred sulphur, is a butterfly of the family Pieridae. The species was first described by Jean-Baptiste Godart in 1819. It is found from Argentina north to the southern United States. Strays can be found up to southern Arizona, South Dakota, southern Texas and even Washington, D.C.
The wingspan is 32–41 mm. Adults are on wing year round in the southern part of the range and in late summer and fall as vagrant. The larvae feed on Fabaceae species, including Stylosanthes biflora and Aeschynomene species. Adults feed on the nectar of various flowers including joint vetches and shepherd's needle, and are the principal pollinators of Cnidoscolus urens. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cabo Pulmo National Park | 🇲🇽 Mexico | |
| 2 | Everglades National Park | 🇺🇸 United States | |
| 3 | Big Cypress National Preserve | 🇺🇸 United States | |
| 4 | Merritt Island National Wildlife Refuge | 🇺🇸 United States | |
| 5 | Cerro Azul Meámbar National Park | 🇭🇳 Honduras | |
| 6 | Lago de Yojoa | 🇭🇳 Honduras |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Miami | 🇺🇸 United States | |
| 2 | Guadalajara | 🇲🇽 México | |
| 3 | Puebla | 🇲🇽 México | |
| 4 | Orlando | 🇺🇸 United States | |
| 5 | San José | 🇨🇷 Costa Rica | |
| 6 | Mexico City | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Barred Yellow sighting in Guadalajara on a given day, based on 87 verified sightings from GBIF citizen-science data. It is the 14th most-seen of the 229 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
October and November
In those months about 20% of wildlife watchers report a Barred Yellow in Guadalajara on a given day, against under 5% in March, the lowest month. Those are among Guadalajara's driest months, with about 35 mm of rain a month against 210 mm in July.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Barred Yellow 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 6 cities where we can rate Barred Yellow sightings, Guadalajara ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Miami (United States, about 10%).
Same family: Pieridae
The closest relatives of the Barred Yellow that you can see in Guadalajara (family Pieridae, Whites, Yellows, and Sulphurs) are Small White (about 10%), Great Southern White (about 10%) and Large Orange Sulphur (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Barred Yellow is recorded against all the insects logged in Guadalajara (87 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.
