Hornet queens are out of hibernation in France The Connexion uses necessary cookies to help us provide you with a better user experience. By continuing to use this website, you accept our use of cookies. Accept Hornet queens are out of hibernation in France Asian hornet queens begin to come out of hibernation in March, so this is a good time to lay traps to kill them before they start a nest 27 February 2021 Asian hornets first arrived in France in around 2004By Connexion journalist With the recent warmer temperatures in France, Asian hornets have reappeared after their hibernation period. The queen will now make her primary swarm, usually in a hedge and then when her colony is large, the swarm will leave to settle at the top of a tree.