Asian Hornets are never active at night whereas European Hornets may be. Median Wasp queen is smaller, has some yellow on the thorax (unlike Asian Hornet) and lacks the characteristic feet and abdomen of Asian Hornet. Asian Hornet Not easily confused with any other species. Dark brown or black velvety body.
European hornet. The European hornet (Vespa crabro) is the largest eusocial wasp in Europe and the largest vespine in North America. It is actually the only true hornet found in North America. V. crabro is usually regarded as a pest by those humans who come into contact with it.
The Oriental hornet, Vespa orientalis, is a social insect of the Vespidae family. It can be found in Southwest Asia, Northeast Africa, the island of Madagascar, Israel and parts of Southern Europe. Oriental hornets have also been found in a few isolated locations such as Mexico due to human introduction.