Trichocera bimacula
In 3 days ~10% in a week ~20%
Trichocera bimacula is a species of winter crane flies in the family Trichoceridae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Chicago | 🇺🇸 United States | |
| 4 | New York City | 🇺🇸 United States | |
| 5 | Washington | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Trichocera bimacula 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.
November
In that month about 10% of wildlife watchers report a Trichocera bimacula in Chicago on a given day, against under 5% in December to October, the lowest months.
Among the best
Of the 5 cities where we can rate Trichocera bimacula sightings, Chicago ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Boston (United States, under 5%) and Toronto (Canada, under 5%).
Same order: Diptera
The closest relatives of the Trichocera bimacula that you can see in Chicago (order Diptera, Flies) are Margined Calligrapher (about 10%), Narrow-Headed Marsh Fly (about 10%) and Common Picture-Winged Fly (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Trichocera bimacula 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.
