cac.ti.ci.da. L. masc. n.cactus, a prickly plant with edible stalks, a cactus; L. masc. n. suff.-cida, murderer, killer; from L. v.caedo, to cut or kill; N.L. masc. n.cacticida, a killer of cactus (nominative in apposition)
Erwiniacacticida is the correct name if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Erwinia.
The full TRBA 466 classification is: risk group = 1, note = "p".