Copestylum marginatum
In 3 days ~30% in a week ~60%
Copestylum marginatum is a species of syrphid fly in the family Syrphidae. This species has been observed in Southwestern North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Saguaro National Park | 🇺🇸 United States | |
| 2 | Big Bend National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Diego | 🇺🇸 United States | |
| 2 | Los Angeles | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Austin | 🇺🇸 United States | |
| 5 | Mexico City | 🇲🇽 México | |
| 6 | San Francisco | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Copestylum marginatum sighting in Saguaro National Park on a given day, based on 77 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 38th 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.
February
In that month about 30% of wildlife watchers report a Copestylum marginatum in Saguaro National Park on a given day, against under 5% in May and August, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Copestylum marginatum sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 parks where we can rate Copestylum marginatum sightings, Saguaro National Park has the highest daily chance: about 10%. Next come Big Bend National Park (United States, about 10%).
Same genus: Copestylum
The closest relatives of the Copestylum marginatum that you can see in Saguaro National Park (genus Copestylum, Bromeliad Flies) are Isabelle's Bromeliad Fly (about 10%), Copestylum apiciferum (about 10%) and Copestylum fornax (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Copestylum marginatum is recorded against all the insects logged in Saguaro National Park (77 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.
