vagococcus hydrophili vagococcus hydrophili vagococcus hydrophili is a gram-positive, coccus-shaped and facultative anaerobic bacterium from the genus of vagococcus which has been isolated from the intestine of the diving beetle hydrophilus acuminatus. vagococcus hydrophili scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: enterococcaceae genus: vagococcus species: v. hydrophili binomial name vagococcus hydrophilihyun et al. 2020 type strain hdw17b