paenibacillus alvei paenibacillus alvei paenibacillus alvei (formerly bacillus alvei) is a species of bacteria within the order bacillales. like other species within the genus paenibacillus, strains of this species grow in novel, vortex-like, or branched patterns. this species is associated with the honey bee disease european foulbrood. paenibacillus alvei scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: paenibacillaceae genus: paenibacillus species: p. alvei binomial name paenibacillus alvei(cheshire and cheyne 1885) ash et al. 1994