Maple Gall Wasp

Maple Gall Wasp

Pediaspis aceris

Daily sighting probability ~10% · With luck
at Cologne

In 3 days ~20% in a week ~40%

19 Verified sightings at Cologne
7 In 1 park From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Bavarian Forest National Park 🇩🇪 Germany
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Paris 🇫🇷 France
~10%
2 Brussels 🇧🇪 Belgium
~10%
3 Cologne 🇩🇪 Germany
~10%
4 Munich 🇩🇪 Germany
~10%
5 Essen 🇩🇪 Germany
<5%

Before you go

What are the chances of seeing a Maple Gall Wasp in Cologne?

With luck

About 10% of wildlife watchers report a Maple Gall Wasp sighting in Cologne on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 69th most-seen of the 235 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Maple Gall Wasp in Cologne?

April to June

In those months about 10% of wildlife watchers report a Maple Gall Wasp in Cologne on a given day, against under 5% in July to March, the lowest months.

What time of day is best to see a Maple Gall Wasp?

Between 3 and 6 pm

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

Is Cologne the best place to see a Maple Gall Wasp?

Among the best

Of the 5 cities where we can rate Maple Gall Wasp sightings, Cologne ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Paris (France, about 10%) and Brussels (Belgium, about 10%).

Which relatives of the Maple Gall Wasp live in Cologne?

Same family: Cynipidae

The closest relatives of the Maple Gall Wasp that you can see in Cologne (family Cynipidae, Gall Wasps) are Mossy Rose Gall Wasp (about 10%) and Knopper Gall Wasp (about 10%), with each one's daily chance of a sighting.

Where does the Maple Gall Wasp sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Maple Gall Wasp is recorded against all the insects logged in Cologne (19 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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