Copestylum avidum
In 3 days ~20% in a week ~40%
Copestylum avidum, the yellow-spotted bromeliad fly, is a species of syrphid fly in the family Syrphidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Guadalupe Mountains National Park | 🇺🇸 United States | |
| 2 | Big Bend National Park | 🇺🇸 United States | |
| 3 | Grand Canyon National Park | 🇺🇸 United States | |
| 4 | Saguaro National Park | 🇺🇸 United States | |
| 5 | Joshua Tree National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Diego | 🇺🇸 United States | |
| 2 | Austin | 🇺🇸 United States | |
| 3 | Los Angeles | 🇺🇸 United States | |
| 4 | San Antonio | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Yellow-Spotted Bromeliad Fly sighting in San Diego on a given day, based on 233 verified sightings from GBIF citizen-science data. It is the 49th most-seen of the 693 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.
March to October
In those months about 10% of wildlife watchers report a Yellow-Spotted Bromeliad Fly in San Diego on a given day, against under 5% in November to February, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Yellow-Spotted Bromeliad Fly 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 cities where we can rate Yellow-Spotted Bromeliad Fly sightings, San Diego has the highest daily chance: about 10%. Next come Austin (United States, under 5%) and Los Angeles (United States, under 5%).
Same genus: Copestylum
The closest relatives of the Yellow-Spotted Bromeliad Fly that you can see in San Diego (genus Copestylum, Bromeliad Flies) are Mexican Cactus Fly (about 10%) and Copestylum marginatum (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow-Spotted Bromeliad Fly is recorded against all the insects logged in San Diego (233 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.
