Marmara arbutiella
In 3 days ~10% in a week ~30%
Marmara arbutiella is a moth of the family Gracillariidae. It is known from Canada and the United States (Oregon, Washington and California). The larvae feed on Arbutus menziesii, Arbutus unedo and Arctostaphylos species. They mine the leaves of their host plant. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Bear Rainforest | 🇨🇦 Canada | |
| 2 | Olympic National Park | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Madrone Skin Miner sighting in Olympic National Park on a given day, based on 28 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 150th most-seen of the 207 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.
January
In that month about 20% of wildlife watchers report a Madrone Skin Miner in Olympic National Park on a given day, against under 5% in February and June–December, the lowest months. That is one of Olympic National Park's wettest months, with about 370 mm of rain against 35 mm in July.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Madrone Skin Miner sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate Madrone Skin Miner sightings, Olympic National Park ranks 2nd at under 5%. The best odds are in Great Bear Rainforest (Canada, about 10%).
GBIF citizen-science records
It is estimated from how often the Madrone Skin Miner is recorded against all the insects logged in Olympic National Park (28 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.
