Ritualistic fighting of European hornets over more than 15 minutes - no injuries

Description: European Hornets at ritualistic fighting over 20 minutes, but no injuries
Beschreibung: Hornissen (Vespa crabro) beim Kommentkampf (dauerte ??ber 20 Minuten)

Source: picture taken by Frank Mikley http://de.wikipedia.org/wiki/User:MikePhobos
Date: 2006-09-12
Location: Weissach im Tal (Baden-Wuerttemberg, Germany)

From http://en.wikipedia.org/wiki/Image:Vespa.crabro.872.Kommentkampf.jpg


Comments
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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. The European hornet is a true hornet (genus Vespa), a group characterized by eusocial species. The genus is in the subfamily Vespinae, members of which are known for chewing up their food to feed it to their young, as well as chewing up paper-like materials to make their nests.