Rhopalomyia capitata
In 3 days ~10% in a week ~30%
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 Boston on a given day, based on 54 verified sightings from GBIF citizen-science data. It is the 271st most-seen of the 1200 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
July to September
In those months about 10% of wildlife watchers report a Giant Goldenrod Bunch Gall Midge in Boston on a given day, against under 5% in October to June, the lowest months.
Yes
Of the 3 cities where we can rate Giant Goldenrod Bunch Gall Midge sightings, Boston has the highest daily chance: under 5%. Next come Minneapolis [Saint Paul] (United States, under 5%) and Chicago (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 Boston (54 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.
