Microrhopala vittata
In 3 days ~10% in a week ~20%
Microrhopala vittata, the goldenrod leaf miner, is a species of leaf beetle in the family Chrysomelidae. It is found in North America, where it has been recorded from Canada (Alberta, British Columbia, Manitoba, New Brunswick, Ontario, Quebec, Saskatchewan) and the United States (Alabama, California, Colorado, Connecticut, Delaware, District of Columbia, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming).
Adults reach a length of about 5–6 mm. They vary in colour from red to black, with a lighter vitta on the elytron. They have been recorded feeding on Solidago altissima, Solidago graminifolia, Solidago canadensis, Solidago sempervirens, Solidago juncea, Solidago missouriensis, Solidago laciniatum, Solidago gigantea, Solidago mollis, Solidago rugosa, Solidago uliginosa, Solidago ulmifolia, Solidago... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Montreal | 🇨🇦 Canada | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 4 | Boston | 🇺🇸 United States | |
| 5 | Chicago | 🇺🇸 United States | |
| 6 | Philadelphia | 🇺🇸 United States | |
| 7 | Baltimore | 🇺🇸 United States | |
| 8 | Denver | 🇺🇸 United States | |
| 9 | Washington | 🇺🇸 United States | |
| 10 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Goldenrod Leafminer sighting in Chicago on a given day, based on 36 verified sightings from GBIF citizen-science data. It is the 310th 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 Leafminer in Chicago on a given day, against under 5% in August to June, the lowest months.
Among the best
Of the 10 cities where we can rate Goldenrod Leafminer sightings, Chicago ranks 5th at under 5%, level with the leaders once rounded. The best odds are in Montreal (Canada, under 5%), Toronto (Canada, under 5%) and Minneapolis [Saint Paul] (United States, under 5%).
Same family: Chrysomelidae
The closest relatives of the Goldenrod Leafminer 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 Leafminer is recorded against all the insects logged in Chicago (36 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.
