Bald-faced hornet Bald-faced hornet Dolichovespula maculata is a eusocial wasp of the cosmopolitan family Vespidae. Its colloquial names include the bald-faced hornet, bald hornet, white-faced hornet, white-tailed hornet, spruce wasp, blackjacket, and bull wasp. This species is a yellowjacket wasp, not a true hornet (genus "Vespa"). Colonies contain 400 to 700 workers, the largest recorded colony size in its genus, "Dolichovespula". It builds a characteristic large hanging paper nest up to 58 centimetres (23 in) in length. Workers aggressively defend their nest by repeatedly stinging invaders. "Dolichovespula maculata" is distributed throughout the United States and southern Canada, but is most common in
Oriental hornet the control unit hornets, were unable to climb on the walls or stay in clusters. Instead, they stayed motionless and apart from each other. Roughly 3 to 4 days upon returning to earth, the hornets started climbing on the walls again and building a nest. The surviving hornets lived for an average of 23 days, compared to an average survival of 43 days for the control group hornets. Oriental hornet The Oriental hornet, "Vespa orientalis", is a social insect of the family Vespidae. It can be found in Southwest Asia, Northeast Africa, the island of Madagascar, the Middle East and