Euaresta bella
In 3 days ~10% in a week ~20%
Euaresta bella is a species of tephritid or fruit flies in the family Tephritidae. The larvae feed on Ambrosia artemisiifolia, the only known host. There is one generation per year. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Montreal | 🇨🇦 Canada | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 4 | Boston | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Common Ragweed Fruit Fly sighting in Minneapolis [Saint Paul] on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 546th most-seen of the 672 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 Common Ragweed Fruit Fly in Minneapolis [Saint Paul] on a given day, so our monthly data shows no clear season.
Among the best
Of the 4 cities where we can rate Common Ragweed Fruit Fly sightings, Minneapolis [Saint Paul] ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Montreal (Canada, under 5%) and Toronto (Canada, under 5%).
GBIF citizen-science records
It is estimated from how often the Common Ragweed Fruit Fly is recorded against all the insects logged in Minneapolis [Saint Paul] (6 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.
