Cynips quercusfolii
In 3 days ~10% in a week ~30%
Cynips quercusfolii, also known as the cherry gall wasp and common oak gall wasp, is a gall wasp species in the genus Cynips and family Cynipidae. The species is important for the production of commercial nutgall formed on Quercus lusitanica (the gall oak).
Galls are located on the underside of leaves, with the majority of galls being on the second and third veins from the petiole of the leaf. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Białowieża National Park | 🇵🇱 Poland | |
| 2 | Gauja National Park | 🇱🇻 Latvia | |
| 3 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 4 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 5 | Wadden Sea National Park | 🇩🇪 Germany | |
| 6 | Cévennes National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Cherry Gall Wasp sighting in Nizhny Novgorod on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 122nd most-seen of the 405 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
October
In that month about 20% of wildlife watchers report a Cherry Gall Wasp in Nizhny Novgorod on a given day, against under 5% in April–July and December–February, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Cherry Gall Wasp sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
13th of 22
Of the 22 cities where we can rate Cherry Gall Wasp sightings, Nizhny Novgorod ranks 13th at about 10%. The best odds are in Kharkiv (Ukraine, about 30%), Kyiv (Ukraine, about 10%) and Sofia (Bulgaria, about 10%).
Same order: Hymenoptera
The closest relatives of the Cherry Gall Wasp that you can see in Nizhny Novgorod (order Hymenoptera, Ants, Bees, Wasps, and Sawflies) are Common Carder Bumble Bee (about 10%), Tree Bumble Bee (about 10%) and Red-Tailed Bumble Bee (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cherry Gall Wasp is recorded against all the insects logged in Nizhny Novgorod (12 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.
