Phyllocnistis populiella
In 3 days ~70% in a week >90%
Phyllocnistis populiella, the common aspen leaf miner or aspen serpentine leafminer, is a moth of the family Gracillariidae. It is found in northern North America, including Alberta, Massachusetts, Ontario and Alaska. The larvae feed on Populus tremuloides and balsam poplar.
Insects of Alberta Bug Guide Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Denali National Park | 🇺🇸 United States | |
| 2 | Kluane National Park | 🇨🇦 Canada | |
| 3 | Isle Royale National Park | 🇺🇸 United States | |
| 4 | Jasper National Park | 🇨🇦 Canada | |
| 5 | Banff National Park | 🇨🇦 Canada | |
| 6 | Cape Breton Highlands National Park | 🇨🇦 Canada | |
| 7 | Elk Island National Park | 🇨🇦 Canada | |
| 8 | Glacier National Park | 🇺🇸 United States | |
| 9 | Acadia National Park | 🇺🇸 United States |
Likely
About 40% of wildlife watchers report an Aspen Serpentine Leafminer Moth sighting in Denali National Park on a given day, based on 50 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the most-seen of the 36 insects we can rate there. Over three days the chance rises to about 70%, and over a week to over 90%, if each day is a fresh chance.
July
In that month about 50% of wildlife watchers report an Aspen Serpentine Leafminer Moth in Denali National Park on a given day, against under 5% in May, the lowest month. That is one of Denali National Park's wettest months, with about 150 mm of rain against 45 mm in April. November to February have too few records to rate.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Aspen Serpentine Leafminer Moth sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 9 parks where we can rate Aspen Serpentine Leafminer Moth sightings, Denali National Park has the highest daily chance: about 40%. Next come Kluane National Park (Canada, about 20%) and Isle Royale National Park (United States, about 20%).
Same order: Lepidoptera
The closest relatives of the Aspen Serpentine Leafminer Moth that you can see in Denali National Park (order Lepidoptera, Butterflies and Moths) are Theano Alpine (about 20%), Large Heath (about 20%) and Arctic Fritillary (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Aspen Serpentine Leafminer Moth is recorded against all the insects logged in Denali National Park (50 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.
