Actebia fennica
In 3 days ~10% in a week ~30%
Actebia fennica, the black army cutworm or Eversmann's rustic, is a moth of the family Noctuidae. The species was first described by August Michael Tauscher in 1806. It has a Holarctic distribution from Newfoundland through western Europe, Siberia, the Far East, Mongolia, northern China to Korea and Japan. In North America it is mainly found in the boreal region, south to New England, southern Montana and northern Oregon.
The wingspan is 39-42 mm and the typical length is ~23 mm. Adults are on wing from July to September depending on the location. There is one generation per year. The larvae feed on Elymus arenarius, Rumex species (including Rumex acetosella), Atriplex species, Minuartia pebloides, Lathyrus maritimus, Salix species and Vaccinium uliginosum. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Jasper National Park | 🇨🇦 Canada |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Edmonton | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Finnish Dart sighting in Edmonton on a given day, based on 15 verified sightings from GBIF citizen-science data. It is the 170th most-seen of the 390 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.
July and August
In those months about 10% of wildlife watchers report a Finnish Dart in Edmonton on a given day, against under 5% in September to June, the lowest months. Those are among Edmonton's wettest months, with about 75 mm of rain a month against 20 mm in February.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Finnish Dart sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Only Edmonton, in our data
Edmonton is the only city on Wallace's Line with enough records to rate Finnish Dart sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Noctuidae
The closest relatives of the Finnish Dart that you can see in Edmonton (family Noctuidae, Cutworm Moths and Allies) are American Copper Underwing (about 10%), Alfalfa Looper (about 10%) and Bicolored Sallow (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Finnish Dart is recorded against all the insects logged in Edmonton (15 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.
