Isyndus obscurus
Daily sighting probability <5% · Rare
at Seoul

In 3 days ~10% in a week ~30%

10 Verified sightings at Seoul
5 In 1 park From 2019 to 2026
October Best month
☀️ Diurnal 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.

Cities Where Found

# City Country Daily sighting probability
1 Nanjing 🇨🇳 China
~10%
2 Seoul 🇰🇷 South Korea
<5%
3 Tokyo 🇯🇵 Japan
<5%

Before you go

What are the chances of seeing an Isyndus obscurus in Seoul?

Rare

Under 5% of wildlife watchers report an Isyndus obscurus sighting in Seoul on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 291st most-seen of the 525 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.

When is the best time to see an Isyndus obscurus in Seoul?

January, April, July and October

In those months about 10% of wildlife watchers report an Isyndus obscurus in Seoul on a given day, against under 5% in February–March, May–June, August–September and November–December, the lowest months.

What time of day is best to see an Isyndus obscurus?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Isyndus obscurus sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Seoul the best place to see an Isyndus obscurus?

2nd of 3

Of the 3 cities where we can rate Isyndus obscurus sightings, Seoul ranks 2nd at under 5%. The best odds are in Nanjing (China, about 10%).

Which relatives of the Isyndus obscurus live in Seoul?

Same family: Reduviidae

The closest relatives of the Isyndus obscurus that you can see in Seoul (family Reduviidae, Assassin Bugs) are Velinus nodipes (about 10%) and Sphedanolestes impressicollis (about 10%), with each one's daily chance of a sighting.

Where does the Isyndus obscurus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Isyndus obscurus is recorded against all the insects logged in Seoul (10 verified sightings), 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.

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