hoeflea olei hoeflea olei hoeflea olei is a gram-negative and rod-shaped bacteria from the genus of hoeflea which has been isolated from water in kerala in india. hoeflea olei has the ability to degrade diesel oil. hoeflea olei scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: rhizobiaceae genus: hoeflea species: h. olei binomial name hoeflea oleirahul et al. 2015 type strain kctc 42071, lmg 28200, jc234