Hylaeus leptocephalus
In 3 days ~10% in a week ~20%
Hylaeus leptocephalus is a species of hymenopteran in the family Colletidae. It is native to the Palearctic but can, since 1912, also be found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | Boston | 🇺🇸 United States | |
| 4 | New York City | 🇺🇸 United States | |
| 5 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 6 | Philadelphia | 🇺🇸 United States | |
| 7 | Chicago | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Slender-Faced Masked Bee 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 a Slender-Faced Masked Bee in Chicago on a given day, so our monthly data shows no clear season.
Among the best
Of the 7 cities where we can rate Slender-Faced Masked Bee sightings, Chicago ranks 7th at under 5%, level with the leaders once rounded. The best odds are in Sacramento (United States, under 5%), Baltimore (United States, under 5%) and Boston (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Slender-Faced Masked Bee 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.
