Colorado Potato Beetle

Colorado Potato Beetle

Leptinotarsa decemlineata

Daily sighting probability <5% · Rare
at New York City

In 3 days ~10%

12 Verified sightings at New York City
151 In all 9 parks From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Colorado Potato Beetle

The Colorado potato beetle (Leptinotarsa decemlineata; also known as the Colorado beetle, the ten-striped spearman, the ten-lined potato beetle, and the potato bug) is a beetle known for being a major pest of potato crops. It is about 10 mm (3⁄8 in) long, with a bright yellow/orange body and five bold brown stripes along the length of each of its wings. Native to the Rocky Mountains, it spread rapidly in potato crops across the United States and then Europe from 1859 onwards.

The Colorado potato beetle was first observed in 1811 by Thomas Nuttall and was formally described in 1824 by American entomologist Thomas Say. The beetles were collected in the Rocky Mountains, where they were feeding on the buffalo bur, Solanum rostratum.

Adult beetles typically are 6–11 mm (0.24–0.43 in) in length and 3 mm (0.12 in) in width. They weigh 50–170 mg. The beetles are orange-yellow in color with 10 characteristic black stripes on their front wings or elytra. The specific name decemlineata, meaning "ten-lined", derives from this feature.

Adult beetles may be visually confused with L. juncta, which is the false potato beetle. Unlike the Colorado potato beetle, it is not an agricultural... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Badlands National Park 🇺🇸 United States
~20%
2 Tatra National Park 🇸🇰 Slovakia
~10%
3 Białowieża National Park 🇵🇱 Poland
~10%
4 Bavarian Forest National Park 🇩🇪 Germany
~10%
5 Wadden Sea National Park 🇩🇪 Germany
~10%
6 Fertő-Hanság National Park 🇭🇺 Hungary
~10%
7 Cévennes National Park 🇫🇷 France
~10%
8 Acadia National Park 🇺🇸 United States
~10%
9 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Vienna 🇦🇹 Austria
~10%
2 Hamburg 🇩🇪 Germany
~10%
3 Essen 🇩🇪 Germany
~10%
4 Berlin 🇩🇪 Germany
~10%
5 Kyiv 🇺🇦 Ukraine
~10%
6 Nizhny Novgorod 🇷🇺 Russia
~10%
7 Prague 🇨🇿 Czechia
~10%
8 Warsaw 🇵🇱 Poland
~10%
9 Novosibirsk 🇷🇺 Russia
~10%
10 Lyon 🇫🇷 France
~10%

Before you go

What are the chances of seeing a Colorado Potato Beetle in New York City?

Rare

Under 5% of wildlife watchers report a Colorado Potato Beetle sighting in New York City on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 927th most-seen of the 1623 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

When is the best time to see a Colorado Potato Beetle in New York City?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Colorado Potato Beetle in New York City on a given day, so our monthly data shows no clear season.

What time of day is best to see a Colorado Potato Beetle?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Colorado Potato Beetle sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is New York City the best place to see a Colorado Potato Beetle?

25th of 25

Of the 25 cities where we can rate Colorado Potato Beetle sightings, New York City ranks 25th at under 5%. The best odds are in Vienna (Austria, about 10%), Hamburg (Germany, about 10%) and Essen (Germany, about 10%).

Where does the Colorado Potato Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Colorado Potato Beetle is recorded against all the insects logged in New York City (12 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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