apibacter adventoris apibacter adventoris apibacter adventoris is a mesophilic bacterium from the genus of apibacter which has been isolated from honey bees. apibacter adventoris scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: apibacter species: a. adventoriss binomial name apibacter adventoriskwong and moran 2016