Smoky Poplar Aphid

Smoky Poplar Aphid

Chaitophorus populicola

Daily sighting probability <5% · Rare
at San Francisco

In 3 days ~10%

11 Verified sightings at San Francisco
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 Edmonton 🇨🇦 Canada
<5%
2 Calgary 🇨🇦 Canada
<5%
3 San Francisco 🇺🇸 United States
<5%
4 New York City 🇺🇸 United States
<5%
5 Los Angeles 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Smoky Poplar Aphid in San Francisco?

Rare

Under 5% of wildlife watchers report a Smoky Poplar Aphid sighting in San Francisco on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 518th most-seen of the 737 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 Smoky Poplar Aphid in San Francisco?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Smoky Poplar Aphid in San Francisco on a given day, so our monthly data shows no clear season.

Is San Francisco the best place to see a Smoky Poplar Aphid?

Among the best

Of the 5 cities where we can rate Smoky Poplar Aphid sightings, San Francisco ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Edmonton (Canada, under 5%) and Calgary (Canada, under 5%).

Where does the Smoky Poplar Aphid sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Smoky Poplar Aphid is recorded against all the insects logged in San Francisco (11 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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