Orthosia ijimai
Daily sighting probability ~20% · Possible
at Nikko National Park

In 3 days ~40% in a week ~70%

7 Verified sightings at Nikko National Park From 2019 to 2026
7 In 1 park
April Best month
🌙 Nocturnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Nikko National Park 🇯🇵 Japan
~20%

More parks will be added in future updates.

Before you go

What are the chances of seeing an Orthosia ijimai in Nikko National Park?

Possible

About 20% of wildlife watchers report an Orthosia ijimai sighting in Nikko National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 53rd most-seen of the 86 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see an Orthosia ijimai in Nikko National Park?

April

In that month about 50% of wildlife watchers report an Orthosia ijimai in Nikko National Park on a given day, against under 5% in February and May–December, the lowest months.

What time of day is best to see an Orthosia ijimai?

Between 7 and 10 pm

Across all the parks we cover, that three-hour window holds the most Orthosia ijimai sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.

Where else can you see an Orthosia ijimai?

Only Nikko National Park, in our data

Nikko National Park is the only park on Wallace's Line with enough records to rate Orthosia ijimai sightings: about 20% of wildlife watchers there report one on a given day.

Which relatives of the Orthosia ijimai live in Nikko National Park?

Same genus: Orthosia

The closest relatives of the Orthosia ijimai that you can see in Nikko National Park (genus Orthosia) are Orthosia aoyamensis (about 20%) and Orthosia carnipennis (about 20%), with each one's daily chance of a sighting.

Where does the Orthosia ijimai sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Orthosia ijimai is recorded against all the insects logged in Nikko National Park (7 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.

← Back to Nikko National Park