Rhopalomyia capitata
In 3 days ~10%
Rhopalomyia capitata, the giant goldenrod bunch gall, is a species of gall midge in the family Cecidomyiidae. It is found across North America. They have been collected from Solidago canadensis, Solidago gigantea, and Solidago leavenworthii gallormers species page Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Chicago | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Giant Goldenrod Bunch Gall Midge sighting in Chicago on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 751st most-seen of the 978 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Giant Goldenrod Bunch Gall Midge in Chicago on a given day, so our monthly data shows no clear season.
Among the best
Of the 3 cities where we can rate Giant Goldenrod Bunch Gall Midge sightings, Chicago ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Boston (United States, under 5%) and Minneapolis [Saint Paul] (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Giant Goldenrod Bunch Gall Midge is recorded against all the insects logged in Chicago (9 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.
