Hornet hornets may often be black and white. There is also a related genus of Asian nocturnal vespines, "Provespa", which are referred to as "night wasps" or "night hornets", though they are not true hornets. Some other large wasps are sometimes referred to as hornets, most notably the bald-faced hornet ("Dolichovespula maculata") found in North America. It is set apart by its black and ivory coloration. The name "hornet" is used for this and related species primarily because of their habit of making aerial nests (similar to the true hornets) rather than subterranean nests. Another example is the Australian hornet ("Abispa
Asian hornet Asian hornet The Asian hornet, also known as the yellow-legged hornet ("Vespa velutina"), is a species of hornet indigenous to Southeast Asia. It is of concern as an invasive species in some other countries. "Vespa velutina" is slightly smaller than the European hornet. Typically queens are 30 mm in length, and males about 24 mm. Workers measure about 20 mm in length. The species has distinctive yellow tarsi (legs). The thorax is a velvety brown or black with a brown abdomen. Each abdominal segment has a narrow posterior yellow border, except for the fourth segment, which is orange. The head