Andrena wilkella
In 3 days ~20% in a week ~40%
Andrena wilkella, also known as Wilke's mining bee, is a species of miner bee in the family Andrenidae. Its original distribution is Europe. It has been accidentally introduced to North America long ago, possibly with ship ballast. It is active between April and August. Andrena wilkella has been recorded to nest both singly and in aggregations. Andrena wilkella preferentially collects pollen from Fabaceae including clover and sweet clover.
The body length of the female is 10–12 mm, and the male is 9–11 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | New York City | 🇺🇸 United States | |
| 6 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Wilke's Mining Bee sighting in Minneapolis [Saint Paul] on a given day, based on 67 verified sightings from GBIF citizen-science data. It is the 136th most-seen of the 672 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June and July
In those months about 10% of wildlife watchers report a Wilke's Mining Bee in Minneapolis [Saint Paul] on a given day, against under 5% in August to May, the lowest months. Those are among Minneapolis [Saint Paul]'s wettest months, with about 110 mm of rain a month against 20 mm in January.
Yes
Of the 6 cities where we can rate Wilke's Mining Bee sightings, Minneapolis [Saint Paul] has the highest daily chance: about 10%. Next come Boston (United States, under 5%) and Toronto (Canada, under 5%).
Same genus: Andrena
The closest relatives of the Wilke's Mining Bee that you can see in Minneapolis [Saint Paul] (genus Andrena, Mining Bees) are Milwaukee Mining Bee (about 10%), Hairy-Banded Mining Bee (about 10%) and Dunning's Miner (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Wilke's Mining Bee is recorded against all the insects logged in Minneapolis [Saint Paul] (67 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.
