Asian honeybees use ‘loud, harsh’ noise to trigger defense against giant hornets, study says Posted on November 10, 2021 by roilaohe Asian honeybees create a “loud, harsh” to trigger the hives defenses when a giant hornet comes near, according to a new study. Asian honeybees use ‘loud, harsh’ noise to trigger defense against giant hornets, study says Share this:TwitterFacebookLike Loading... Related