Raspberry Crown Borer

Raspberry Crown Borer

Pennisetia marginatum

Daily sighting probability <5% · Rare
at Vancouver

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

23 Verified sightings at Vancouver
August Best month

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Vancouver 🇨🇦 Canada
<5%
2 Portland 🇺🇸 United States
<5%
3 Seattle 🇺🇸 United States
<5%
4 Washington 🇺🇸 United States
<5%
5 Boston 🇺🇸 United States
<5%
6 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Raspberry Crown Borer in Vancouver?

Rare

Under 5% of wildlife watchers report a Raspberry Crown Borer sighting in Vancouver on a given day, based on 23 verified sightings from GBIF citizen-science data. It is the 200th most-seen of the 482 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 Raspberry Crown Borer in Vancouver?

August and September

In those months about 10% of wildlife watchers report a Raspberry Crown Borer in Vancouver on a given day, against under 5% in October to July, the lowest months. Those are among Vancouver's driest months, with about 50 mm of rain a month against 210 mm in November.

Is Vancouver the best place to see a Raspberry Crown Borer?

Yes

Of the 6 cities where we can rate Raspberry Crown Borer sightings, Vancouver has the highest daily chance: under 5%. Next come Portland (United States, under 5%) and Seattle (United States, under 5%).

Where does the Raspberry Crown Borer sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Raspberry Crown Borer is recorded against all the insects logged in Vancouver (23 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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