Small Tortoise Beetle

Small Tortoise Beetle

Cassida piperata

Daily sighting probability ~10% · With luck
at Beijing

In 3 days ~20% in a week ~30%

24 Verified sightings at Beijing
9 In 1 park From 2019 to 2026
January Best month
☀️🌙 Day & Night When it's spotted

About the Small Tortoise Beetle

Cassida piperata is a species of beetle in the leaf beetle family. It is native to eastern Asia, but it has also been reported from the United States as an alien species. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Beijing 🇨🇳 China
~10%
2 Philadelphia 🇺🇸 United States
<5%
3 Boston 🇺🇸 United States
<5%
4 Washington 🇺🇸 United States
<5%
5 New York City 🇺🇸 United States
<5%
6 Toronto 🇨🇦 Canada
<5%

Before you go

What are the chances of seeing a Small Tortoise Beetle in Beijing?

With luck

About 10% of wildlife watchers report a Small Tortoise Beetle sighting in Beijing on a given day, based on 24 verified sightings from GBIF citizen-science data. It is the 115th most-seen of the 401 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Small Tortoise Beetle in Beijing?

January–February and April–August

In those months about 10% of wildlife watchers report a Small Tortoise Beetle in Beijing on a given day, against under 5% in March and September–December, the lowest months.

What time of day is best to see a Small Tortoise Beetle?

Between 8 and 11 pm

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

Is Beijing the best place to see a Small Tortoise Beetle?

Yes

Of the 6 cities where we can rate Small Tortoise Beetle sightings, Beijing has the highest daily chance: about 10%. Next come Philadelphia (United States, under 5%) and Boston (United States, under 5%).

Which relatives of the Small Tortoise Beetle live in Beijing?

Same family: Chrysomelidae

The closest relatives of the Small Tortoise Beetle that you can see in Beijing (family Chrysomelidae, Leaf Beetles) are Chrysochus chinensis (about 10%) and Oides decempunctata (about 10%), with each one's daily chance of a sighting.

Where does the Small Tortoise Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Small Tortoise Beetle is recorded against all the insects logged in Beijing (24 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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