Table 6.

Temporal development of the nomenclature for Xylella spp

Decades	Names of the disease/causal agent	Selected references
1920s	Phony peach virus	Hutchins (1930); Hutchins and Rue (1949)
1930s	Alfalfa dwarf virus, Phony peach virus, Xylem‐inhabiting bacteria	Hewitt et al. (1946); Hutchins et al. (1953); Hutchins and Rue (1949); Millikan (1955); Turner and Pollard (1958); Turner (1949)
1940s	Alfalfa dwarf virus, Phony peach virus, Pierce's disease virus, Xylem‐inhabiting bacteria	Cochran (1951); Hewitt et al. (1946); Hutchins et al. (1953); Hutchins and Rue (1949); Kenknight (1951); Turner (1949)
1950s	Morus suffodiens virus, Phony peach virus, Pierce's disease bacterium, Pierce's disease virus, Xylem‐inhabiting bacteria	Bruer (1951); Cochran (1951); Hewitt (1958); Loomis (1961); Millikan and Anderson (1954); Millikan (1955); Mortensen et al. (1977); Stoner (1953a,b); Stoner et al. (1951); Wester and Jylkka (1959)
1960s	Pierce's disease bacterium, Pierce's disease virus, Rickettsia‐like bacteria	Goheen et al. (1973); Mortensen and Knight (1968); Mortensen (1968); Mortensen et al. (1977)
1970s	Pierce's disease bacterium, Rickettsia‐like bacteria, Rod‐shaped bacteria, Xylem‐inhabiting bacteria	Auger et al. (1974); Brlansky and Timmer (1982); Davis et al. (1980); Evert et al. (1981); Feldman (1984); French (1977); Goheen et al. (1973); Hearon et al. (1980); Hopkins and Adlerz (1980); Hopkins and Mollenhauer (1975); Hopkins and Mortensen (1974); McCoy et al. (1978); Purcell (1975); Raju et al. (1983); Weaver et al. (1980); Wells and Weaver (1980)
1980s	Phony peach bacterium, Pierce's disease bacterium, Rickettsia‐like bacteria, Xylem‐inhabiting bacteria, Xylella fastidiosa	Evert (1987); Hopkins (1984); Hopkins and Thompson (1984); Jimenez (1985); Kostka et al. (1984); Yonce and Chang (1987); Wells et al. (1981, 1987)
1990s onwards	Xylella fastidiosa	Chang and Donaldson (1993); Laranjeira et al. (1998); Leite et al. (1997); McElrone et al. (1999); Purcell and Saunders (1995); Su and Leu (1995)