Idea stolli
In 3 days ~30% in a week ~60%
Idea stolli, the common tree nymph, is a species of nymphalid butterfly in the Danainae subfamily. It is found in South East Asia. There are twelve Idea species, of which five occur in West Malaysia. The wings are white with black dots and veins. The wingspan is about 150 mm.
The larvae feed on Aganosma cymosa and Aganosma corymbosa. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Luang National Park | 🇹🇭 Thailand | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 3 | Sepilok | 🇲🇾 Malaysia | |
| 4 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 5 | Kinabalu Park | 🇲🇾 Malaysia |
With luck
About 10% of wildlife watchers report a Common Tree Nymph sighting in Kinabatangan Wildlife Sanctuary on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 29th most-seen of the 57 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
May and October
In those months about 20% of wildlife watchers report a Common Tree Nymph in Kinabatangan Wildlife Sanctuary on a given day, against under 5% in September and November–February, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Common Tree Nymph sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
4th of 5
Of the 5 parks where we can rate Common Tree Nymph sightings, Kinabatangan Wildlife Sanctuary ranks 4th at about 10%. The best odds are in Khao Luang National Park (Thailand, about 20%), Danum Valley Conservation Area (Malaysia, about 20%) and Sepilok (Malaysia, about 10%).
Same family: Nymphalidae
The closest relatives of the Common Tree Nymph that you can see in Kinabatangan Wildlife Sanctuary (family Nymphalidae, Brush-footed Butterflies) are Clipper (about 40%), Great Eggfly (about 30%) and Grey Pansy (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Tree Nymph is recorded against all the insects logged in Kinabatangan Wildlife Sanctuary (9 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.
