Agapostemon virescens
In 3 days ~30% in a week ~50%
Agapostemon virescens, the bicolored striped sweat bee, is a species of sweat bee in the family Halictidae. It is found in North America, and is the official bee of the city of Toronto. Like other species in its genus, A. virescens nests underground, in aggregations wherein multiple females share a single burrow. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Acadia National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | Detroit | 🇺🇸 United States | |
| 6 | Chicago | 🇺🇸 United States | |
| 7 | Portland | 🇺🇸 United States | |
| 8 | Salt Lake City | 🇺🇸 United States | |
| 9 | Philadelphia | 🇺🇸 United States | |
| 10 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Bicolored Striped Sweat Bee sighting in Portland on a given day, based on 171 verified sightings from GBIF citizen-science data. It is the 38th most-seen of the 507 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
June and July
In those months about 20% of wildlife watchers report a Bicolored Striped Sweat Bee in Portland on a given day, against under 5% in November to April, the lowest months. Those are among Portland's driest months, with about 35 mm of rain a month against 250 mm in December.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Bicolored Striped Sweat Bee sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
7th of 14
Of the 14 cities where we can rate Bicolored Striped Sweat Bee sightings, Portland ranks 7th at about 10%. The best odds are in Boston (United States, about 20%), Minneapolis [Saint Paul] (United States, about 20%) and Toronto (Canada, about 10%).
Same family: Halictidae
The closest relatives of the Bicolored Striped Sweat Bee that you can see in Portland (family Halictidae, Sweat Bees) are Ligated Furrow Bee (about 10%) and Orange-Legged Furrow Bee (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Bicolored Striped Sweat Bee is recorded against all the insects logged in Portland (171 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.
