Archilestes grandis
In 3 days ~30% in a week ~60%
The great spreadwing (Archilestes grandis) is a damselfly in the family Lestidae. When great spreadwings are startled they often return to the same perch or a perch nearby. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Saguaro National Park | 🇺🇸 United States | |
| 2 | Zion National Park | 🇺🇸 United States | |
| 3 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 4 | Big Bend National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Denver | 🇺🇸 United States | |
| 2 | San José | 🇨🇷 Costa Rica | |
| 3 | Dallas | 🇺🇸 United States | |
| 4 | Salt Lake City | 🇺🇸 United States | |
| 5 | San Salvador | 🇸🇻 El Salvador | |
| 6 | Austin | 🇺🇸 United States | |
| 7 | Baltimore | 🇺🇸 United States | |
| 8 | Guadalajara | 🇲🇽 México | |
| 9 | Washington | 🇺🇸 United States | |
| 10 | Monterrey | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Great Spreadwing sighting in Saguaro National Park on a given day, based on 99 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 37th most-seen of the 354 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.
June–July and October–January
In those months about 20% of wildlife watchers report a Great Spreadwing in Saguaro National Park on a given day, against under 5% in March–April and August, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Great Spreadwing sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 4 parks where we can rate Great Spreadwing sightings, Saguaro National Park has the highest daily chance: about 10%. Next come Zion National Park (United States, about 10%) and Cumbres de Monterrey National Park (Mexico, about 10%).
GBIF citizen-science records
It is estimated from how often the Great Spreadwing is recorded against all the insects logged in Saguaro National Park (99 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.
