The Orbales are an order of Proteobacteria with the single family Orbaceae. This order was created to accommodate novel bacterial species isolated from the guts of honeybees and bumblebees.
^Kwong, W. K.; Moran, N. A. (5 October 2012). "Cultivation and characterization of the gut symbionts of honey bees and bumble bees: description of Snodgrassella alvi gen. nov., sp. nov., a member of the family Neisseriaceae of the Betaproteobacteria, and Gilliamella apicola gen. nov., sp. nov., a member of Orbaceae fam. nov., Orbales ord. nov., a sister taxon to the order 'Enterobacteriales' of the Gammaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 63 (Pt 6): 2008–2018. doi:10.1099/ijs.0.044875-0.