Bald-faced hornet coloring differentiates it from its mostly black and yellow genus mates. Baldfaced hornets are distinguished from other yellowjackets by their white and black coloring. It has a white or "baldfaced" head, which is the source of its colloquial name. These wasps also have three white stripes at the end of their bodies. They are notably larger than other species of "Dolichovespula", as adults average about in length. Queen and worker wasps have similar morphologies. However, workers are covered by small hairs while the queen remains hairless. Queens are always larger than workers in their colonies, though size distributions can vary
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