Hypocritanus fascipennis
In 3 days ~10% in a week ~20%
Hypocritanus fascipennis is a North American species of syrphid fly in the family Syrphidae. Until 2020, it was classified in the genus Ocyptamus. The common name is the eastern band-winged hover fly. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 6 | Toronto | 🇨🇦 Canada | |
| 7 | Houston | 🇺🇸 United States | |
| 8 | Chicago | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Eastern Band-Winged Hover Fly sighting in Chicago on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 706th most-seen of the 978 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 an Eastern Band-Winged Hover Fly in Chicago on a given day, so our monthly data shows no clear season.
8th of 8
Of the 8 cities where we can rate Eastern Band-Winged Hover Fly sightings, Chicago ranks 8th at under 5%. The best odds are in Austin (United States, about 10%), Dallas (United States, about 10%) and San Antonio (United States, under 5%).
Same family: Syrphidae
The closest relatives of the Eastern Band-Winged Hover Fly that you can see in Chicago (family Syrphidae, Hover Flies) are Margined Calligrapher (about 10%), Narrow-Headed Marsh Fly (about 10%) and Transverse-Banded Flower Fly (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Eastern Band-Winged Hover Fly is recorded against all the insects logged in Chicago (8 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.
