“…Also, the occurrence of complex cryptic species within Xiphinema ( Pedram et al ., 2012 ; Palomares-Rius et al ., 2014 ; Archidona-Yuste et al ., 2016a , b ; Zhao et al ., 2017 ; Cai et al ., 2020 ) makes it necessary to apply integrative taxonomical approaches based on morphology and molecular markers. The non- americanum -group species of Xiphinema comprise more than 250 valid species ( Archidona-Yuste et al ., 2016a , b ; Zhao et al ., 2017 ; Mirzaie Fouladvand et al ., 2019 ; Jahanshahi Afshar et al ., 2019 ; Cai et al ., 2020 ; Fadakar et al ., 2021 ), but currently only 19 have been reported from Nigeria, including X. basiri Siddiqi, 1959 , X. bergeri Luc, 1973 , X. brasiliense Lordello, 1951 , X. brevistylus Jairajpuri, 1982, X. cavenessi Luc, 1973 , X. dihysterum Lamberti et al ., 1995 , X. elongatum Schuurmans Stekhoven & Teunissen, 1938 , X. fatikae Bos & Loof, 1984 , X. longicaudatum ( Luc, 1961 ) Luc & Hunt, 1978 , X. majus Bos & Loof, 1984 , X. manubriatum Luc, 1975 , X. nigeriense ( Luc, 1961 ) Coomans et al ., 1999 , X , oryzae Bos & Loof, 1984 , X. oxycaudatum Lamberti & Bleve-Zacheo, 1979 , X. paritaliae Loof & Sharma, 1979 , X. radicicola Goodey, 1936 , X. rotundatum Schuurmans Stekhoven & Teunissen, 1938 , X. savanicola Luc & Southey, 1980 , and X. tarjani Luc, 1975 ( Cohn and Sher, 1972 ;…”