Yellow-Spotted Longicorn Beetle

Yellow-Spotted Longicorn Beetle

Psacothea hilaris

Daily sighting probability ~10% · With luck
at Hangzhou

In 3 days ~30% in a week ~60%

19 Verified sightings at Hangzhou
25 In 1 park From 2019 to 2026
October Best month
☀️ Diurnal When it's spotted

About the Yellow-Spotted Longicorn Beetle

Psacothea hilaris, the yellow spotted longicorn beetle, is a species of beetle in the family Cerambycidae. It was described by Francis Polkinghorne Pascoe in 1857. It is known from North Korea, China and Japan. It has been introduced to Italy. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Taroko National Park 🇹🇼 Taiwan
~20%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Nanjing 🇨🇳 China
~20%
2 Nagoya 🇯🇵 Japan
~10%
3 Naha 🇯🇵 Japan
~10%
4 Hangzhou 🇨🇳 China
~10%
5 Taipei 🇹🇼 Taiwan
~10%
6 Shanghai 🇨🇳 China
~10%
7 Milan 🇮🇹 Italy
~10%
8 Kaohsiung 🇹🇼 Taiwan
~10%
9 Tokyo 🇯🇵 Japan
~10%
10 Taichung 🇹🇼 Taiwan
~10%

Before you go

What are the chances of seeing a Yellow-Spotted Longicorn Beetle in Hangzhou?

With luck

About 10% of wildlife watchers report a Yellow-Spotted Longicorn Beetle sighting in Hangzhou on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 33rd most-seen of the 172 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.

When is the best time to see a Yellow-Spotted Longicorn Beetle in Hangzhou?

May, July and October

In those months about 20% of wildlife watchers report a Yellow-Spotted Longicorn Beetle in Hangzhou on a given day, against under 5% in December to April, the lowest months.

What time of day is best to see a Yellow-Spotted Longicorn Beetle?

Between 8 and 11 am

Across all the parks we cover, that three-hour window holds the most Yellow-Spotted Longicorn Beetle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Hangzhou the best place to see a Yellow-Spotted Longicorn Beetle?

4th of 11

Of the 11 cities where we can rate Yellow-Spotted Longicorn Beetle sightings, Hangzhou ranks 4th at about 10%. The best odds are in Nanjing (China, about 20%), Nagoya (Japan, about 10%) and Naha (Japan, about 10%).

Where does the Yellow-Spotted Longicorn Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Yellow-Spotted Longicorn Beetle is recorded against all the insects logged in Hangzhou (19 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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