Copestylum isabellina
In 3 days ~20% in a week ~30%
Copestylum isabellina, or Isabelle's bromeliad fly, is a species of syrphid fly in the family Syrphidae.They have been observed in the Southwestern North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Saguaro National Park | 🇺🇸 United States |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report an Isabelle's Bromeliad Fly sighting in Phoenix on a given day, based on 23 verified sightings from GBIF citizen-science data. It is the 92nd most-seen of the 264 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
April–May and December–February
In those months about 10% of wildlife watchers report an Isabelle's Bromeliad Fly in Phoenix on a given day, against under 5% in March and June–November, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Isabelle's 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.
Among the best
Of the 2 cities where we can rate Isabelle's Bromeliad Fly sightings, Phoenix ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Mesa (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Isabelle's Bromeliad Fly is recorded against all the insects logged in Phoenix (23 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.
