Trirhabda canadensis
In 3 days ~10% in a week ~30%
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 Minneapolis [Saint Paul] on a given day, based on 33 verified sightings from GBIF citizen-science data. It is the 207th most-seen of the 672 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.
June and July
In those months about 10% of wildlife watchers report a Goldenrod Leaf Beetle in Minneapolis [Saint Paul] on a given day, against under 5% in August to May, the lowest months. Those are among Minneapolis [Saint Paul]'s wettest months, with about 110 mm of rain a month against 20 mm in January.
2nd of 5
Of the 5 cities where we can rate Goldenrod Leaf Beetle sightings, Minneapolis [Saint Paul] ranks 2nd at under 5%. The best odds are in Toronto (Canada, about 10%).
Same family: Chrysomelidae
The closest relatives of the Goldenrod Leaf Beetle that you can see in Minneapolis [Saint Paul] (family Chrysomelidae, Leaf Beetles) are Swamp Milkweed Leaf Beetle (about 10%), Spotted Cucumber Beetle (about 10%) and Lily 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 Minneapolis [Saint Paul] (33 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.
