Habrosyne scripta
In 3 days ~20% in a week ~40%
Habrosyne scripta, the lettered habrosyne or scribe, is a moth of the family Drepanidae. It was first described by Philip Henry Gosse in 1840. It is found in southern Canada and the northern United States, from Labrador to Vancouver Island, south in the Appalachians, Ozarks and Rocky Mountains to North Carolina and Mississippi and south in the west to Arizona.
The wingspan is 30–39 mm. Adults are on wing from May to August. There are two generations per year. The larvae feed on the leaves of Rubus species (including black raspberry and purple-flowering raspberry). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Gros Morne National Park | 🇨🇦 Canada | |
| 2 | Jasper National Park | 🇨🇦 Canada | |
| 3 | Pacific Rim National Park Reserve | 🇨🇦 Canada | |
| 4 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 5 | Great Bear Rainforest | 🇨🇦 Canada | |
| 6 | Riding Mountain National Park | 🇨🇦 Canada | |
| 7 | Olympic National Park | 🇺🇸 United States | |
| 8 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vancouver | 🇨🇦 Canada |
With luck
About 10% of wildlife watchers report a Lettered Habrosyne Moth sighting in Riding Mountain National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 85th most-seen of the 104 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June and July
In those months about 10% of wildlife watchers report a Lettered Habrosyne Moth in Riding Mountain National Park on a given day, against under 5% in August to May, the lowest months. Those are among Riding Mountain National Park's wettest months, with about 85 mm of rain a month against 20 mm in February.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Lettered Habrosyne Moth sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 8 parks where we can rate Lettered Habrosyne Moth sightings, Riding Mountain National Park ranks 6th at about 10%, level with the leaders once rounded. The best odds are in Gros Morne National Park (Canada, about 10%), Jasper National Park (Canada, about 10%) and Pacific Rim National Park Reserve (Canada, about 10%).
Same order: Lepidoptera
The closest relatives of the Lettered Habrosyne Moth that you can see in Riding Mountain National Park (order Lepidoptera, Butterflies and Moths) are Red-Spotted Admiral (about 30%), Monarch (about 30%) and Canadian Tiger Swallowtail (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lettered Habrosyne Moth is recorded against all the insects logged in Riding Mountain National Park (5 verified sightings from 2019 to 2026), 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.
