Rhopalomyia baccharis
In 3 days ~10%
Rhopalomyia baccharis, the coyote brush twisted stem gall midge, is a species of gall midges, insects in the family Cecidomyiidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Francisco | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Baccharis Stem Gall Midge sighting in San Francisco on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 458th most-seen of the 737 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 Baccharis Stem Gall Midge in San Francisco on a given day, so our monthly data shows no clear season.
Only San Francisco, in our data
San Francisco is the only city on Wallace's Line with enough records to rate Baccharis Stem Gall Midge sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Baccharis Stem Gall Midge is recorded against all the insects logged in San Francisco (11 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.
