Copestylum violaceum
In 3 days ~10% in a week ~20%
Copestylum violaceum, the purple bromeliad fly, is a species of syrphid fly in the family Syrphidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Mexico City | 🇲🇽 México | |
| 2 | San Francisco | 🇺🇸 United States | |
| 3 | San Diego | 🇺🇸 United States | |
| 4 | Los Angeles | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Purple Bromeliad Fly sighting in San Diego on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 358th most-seen of the 693 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Purple Bromeliad Fly in San Diego on a given day, so our monthly data shows no clear season.
Among the best
Of the 4 cities where we can rate Purple Bromeliad Fly sightings, San Diego ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Mexico City (México, under 5%) and San Francisco (United States, under 5%).
Same genus: Copestylum
The closest relatives of the Purple Bromeliad Fly that you can see in San Diego (genus Copestylum, Bromeliad Flies) are Mexican Cactus Fly (about 10%), Yellow-Spotted Bromeliad 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 Purple Bromeliad Fly is recorded against all the insects logged in San Diego (16 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.
