Trirhabda canadensis
In 3 days ~10% in a week ~20%
Trirhabda canadensis, the goldenrod leaf beetle, is a species of leaf beetle in the family Chrysomelidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toronto | 🇨🇦 Canada | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Chicago | 🇺🇸 United States | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Goldenrod Leaf Beetle sighting in Chicago on a given day, based on 44 verified sightings from GBIF citizen-science data. It is the 266th most-seen of the 978 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.
July
In that month about 10% of wildlife watchers report a Goldenrod Leaf Beetle in Chicago on a given day, against under 5% in August to June, the lowest months.
3rd of 5
Of the 5 cities where we can rate Goldenrod Leaf Beetle sightings, Chicago ranks 3rd at under 5%. The best odds are in Toronto (Canada, about 10%) and Minneapolis [Saint Paul] (United States, under 5%).
Same family: Chrysomelidae
The closest relatives of the Goldenrod Leaf Beetle that you can see in Chicago (family Chrysomelidae, Leaf Beetles) are Spotted Cucumber Beetle (about 10%), Swamp Milkweed Leaf Beetle (about 10%) and Dogbane Leaf Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Goldenrod Leaf Beetle is recorded against all the insects logged in Chicago (44 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.
