The Bite of the Honeybee: 2-Heptanone Secreted from Honeybee Mandibles during a Bite Acts as a Local Anesthetic in Insects and Mammals Honeybees secrete 2-heptanone (2-H) from their mandibular glands when they bite. 2-H is a local anesthetic effective against wax moth larva (WML) and Varroa...