Caryomyia thompsoni
In 3 days ~10%
Caryomyia thompsoni, the hickory placenta gall midge, is a species of gall midge in the family Cecidomyiidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Hickory Placenta Gall Midge sighting in New York City on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 1034th most-seen of the 1623 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 Hickory Placenta Gall Midge in New York City on a given day, so our monthly data shows no clear season.
Among the best
Of the 3 cities where we can rate Hickory Placenta Gall Midge sightings, New York City ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Washington (United States, under 5%) and Boston (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Hickory Placenta Gall Midge is recorded against all the insects logged in New York City (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.
