Spruce Zebra Beetle

Spruce Zebra Beetle

Xylotrechus undulatus

Daily sighting probability <5% · Rare
at Calgary

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

6 Verified sightings at Calgary
5 In 1 park From 2019 to 2026
July Best month
☀️🌙 Day & Night When it's spotted

About the Spruce Zebra Beetle

Xylotrechus undulatus is a species of beetle in the family Cerambycidae. It was described by Say in 1824. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Jasper National Park 🇨🇦 Canada
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Edmonton 🇨🇦 Canada
<5%
2 Portland 🇺🇸 United States
<5%
3 Calgary 🇨🇦 Canada
<5%
4 Vancouver 🇨🇦 Canada
<5%
5 Seattle 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Spruce Zebra Beetle in Calgary?

Rare

Under 5% of wildlife watchers report a Spruce Zebra Beetle sighting in Calgary on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 203rd most-seen of the 256 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 Spruce Zebra Beetle in Calgary?

July

In that month about 10% of wildlife watchers report a Spruce Zebra Beetle in Calgary on a given day, against under 5% in August to June, the lowest months.

What time of day is best to see a Spruce Zebra Beetle?

Between 9 am and noon

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

Is Calgary the best place to see a Spruce Zebra Beetle?

Among the best

Of the 5 cities where we can rate Spruce Zebra Beetle sightings, Calgary ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Edmonton (Canada, under 5%) and Portland (United States, under 5%).

Where does the Spruce Zebra Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Spruce Zebra Beetle is recorded against all the insects logged in Calgary (6 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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