Red Flat Bark Beetle

Red Flat Bark Beetle

Cucujus clavipes

Daily sighting probability <5% · Rare
at Toronto

In 3 days ~10% in a week ~20%

16 Verified sightings at Toronto
41 In all 6 parks From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Red Flat Bark Beetle

Cucujus clavipes is known as the flat bark beetle. It is found throughout North America. These are generally found near tree line under bark of dead poplar and ash trees. C. clavipes are described as phloem-feeding and often predators of other small insects, such as wood-boring beetles, and mites. These are usually seen during spring-summer seasons. Having a cold habitat, these beetles must go through several physiological mechanisms to survive; they are recognised for their ability to change their overwintering mechanisms.

C. clavipes can be found in North America [1] over a broad latitudinal range from North Carolina (latitude ~35°N) to the Brooks Range in Alaska (latitude, ~67°30 N) and has also been reported in Alberta [2] and in Ontario, Canada. C. clavipes has two subspecies, C. clavipes clavipes, which resides in the Eastern portion of the North America and C. clavipes puniceus in the West. These are poikilothermic organisms.

The beetles are between 10 and 14 mm in length,. Their body tends to be strongly dorsoventrally flattened and their sides parallel. Their abdomen has 5 visible ventral segments. These have strongly forked median... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
2 Elk Island National Park 🇨🇦 Canada
~10%
3 Point Pelee National Park 🇨🇦 Canada
~10%
4 Olympic National Park 🇺🇸 United States
<5%
5 Great Bear Rainforest 🇨🇦 Canada
<5%
6 Shenandoah National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Minneapolis [Saint Paul] 🇺🇸 United States
<5%
2 Edmonton 🇨🇦 Canada
<5%
3 Vancouver 🇨🇦 Canada
<5%
4 Washington 🇺🇸 United States
<5%
5 Calgary 🇨🇦 Canada
<5%
6 Philadelphia 🇺🇸 United States
<5%
7 Toronto 🇨🇦 Canada
<5%
8 Montreal 🇨🇦 Canada
<5%
9 Chicago 🇺🇸 United States
<5%
10 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Red Flat Bark Beetle in Toronto?

Rare

Under 5% of wildlife watchers report a Red Flat Bark Beetle sighting in Toronto on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 792nd most-seen of the 1689 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Red Flat Bark Beetle in Toronto?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Red Flat Bark Beetle in Toronto on a given day, so our monthly data shows no clear season.

What time of day is best to see a Red Flat Bark Beetle?

Between 2 and 5 pm

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

Is Toronto the best place to see a Red Flat Bark Beetle?

Among the best

Of the 10 cities where we can rate Red Flat Bark Beetle sightings, Toronto ranks 7th at under 5%, level with the leaders once rounded. The best odds are in Minneapolis [Saint Paul] (United States, under 5%), Edmonton (Canada, under 5%) and Vancouver (Canada, under 5%).

Which relatives of the Red Flat Bark Beetle live in Toronto?

Same order: Coleoptera

The closest relatives of the Red Flat Bark Beetle that you can see in Toronto (order Coleoptera, Beetles) are Asian Lady Beetle (about 30%), Japanese Beetle (about 20%) and Red Milkweed Beetle (about 10%), with each one's daily chance of a sighting.

Where does the Red Flat Bark Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Red Flat Bark Beetle is recorded against all the insects logged in Toronto (16 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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