Xestia dolosa
In 3 days ~10% in a week ~20%
Xestia dolosa, known by the names greater black-letter dart, woodland spotted cutworm and spotted cutworm, is a moth of the family Noctuidae. (The common name spotted cutworm is also used for larvae of Xestia c-nigrum.) It is found in North America from the Canadian provinces of New Brunswick and Prince Edward Island to Florida, west to Texas, and north to North Dakota and Manitoba.
The wingspan is about 40 mm. The moth flies from May to October in two generations in the South and from July to August in one generation in the North. The larva feeds on various crop plants, including barley, clovers, corn, and tobacco, as well as apples and maples. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 2 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Greater Black-Letter Dart sighting in Minneapolis [Saint Paul] on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 603rd 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 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Greater Black-Letter Dart in Minneapolis [Saint Paul] on a given day, so our monthly data shows no clear season.
Yes
Of the 2 cities where we can rate Greater Black-Letter Dart sightings, Minneapolis [Saint Paul] has the highest daily chance: under 5%. Next come New York City (United States, under 5%).
Same family: Noctuidae
The closest relatives of the Greater Black-Letter Dart that you can see in Minneapolis [Saint Paul] (family Noctuidae, Cutworm Moths and Allies) are American Dagger (about 10%), American Copper Underwing (about 10%) and Celery Looper Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Greater Black-Letter Dart is recorded against all the insects logged in Minneapolis [Saint Paul] (5 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.
