Vespa crabro
In 3 days ~20% in a week ~40%
The European hornet (Vespa crabro) is the largest eusocial wasp native to Europe. It is also the only true hornet (genus Vespa) found in North America, having been introduced to the United States and Canada from Europe as early as 1840. Vespines, such as V. crabro, are known for making intricate paper-like nests out of surrounding plant materials and other fibers. Unlike most other vespines, reproductive suppression involves worker policing instead of queen pheromone control, as was previously thought.
This species stings in response to being stepped on or grabbed, but generally avoids conflict. It is also defensive of its nest and can be aggressive around food sources. Care should be taken when they are found in these circumstances, as they may sting without warning. European hornets are largely carnivorous and hunt large insects such as beetles, wasps, large moths, dragonflies, and mantises. They also feed on fallen fruit and other sources of sugary food. Mutual predation between medium-sized hornets and the Asilidae (robber flies) is often reported.
The European hornet is a true hornet (genus Vespa), a group characterized by eusocial species. The genus is in the subfamily... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 4 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 5 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 6 | Białowieża National Park | 🇵🇱 Poland | |
| 7 | Shenandoah National Park | 🇺🇸 United States | |
| 8 | Picos de Europa National Park | 🇪🇸 Spain | |
| 9 | Triglav National Park | 🇸🇮 Slovenia | |
| 10 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 11 | Pyrénées National Park | 🇫🇷 France | |
| 12 | Wadden Sea National Park | 🇩🇪 Germany | |
| 13 | Fertő-Hanság National Park | 🇭🇺 Hungary |
With luck
About 10% of wildlife watchers report a European Hornet sighting in New York City on a given day, based on 370 verified sightings from GBIF citizen-science data. It is the 78th most-seen of the 1623 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.
May and August–November
In those months about 10% of wildlife watchers report a European Hornet in New York City on a given day, against under 5% in June–July and December–April, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most European Hornet sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
34th of 53
Of the 53 cities where we can rate European Hornet sightings, New York City ranks 34th at about 10%. The best odds are in Turin (Italy, about 20%), Kharkiv (Ukraine, about 20%) and Kyiv (Ukraine, about 20%).
Same family: Vespidae
The closest relatives of the European Hornet that you can see in New York City (family Vespidae, Hornets, Paper Wasps, Potter Wasps, and Allies) are Bald-Faced Hornet (about 20%), German Yellowjacket (about 10%) and Eastern Yellowjacket (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the European Hornet is recorded against all the insects logged in New York City (370 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.
