Pratylenchus thornei, Sher & Allen 1953, Sher & Allen, 1953

Alvani, Somaye, Mahdikhani-Moghadam, Esmat, Rouhani, Hamid & Mohammadi, Abbas, 2016, A checklist of the family Pratylenchidae Thorne, 1949 from Iran, Zootaxa 4079 (2), pp. 179-204 : 192-194

24. P. thornei Sher & Allen 1953

Syn: P. peelari in Chawla & Prasad 1973

P. ranjani (Khan & Singh 1975) Pourjam, Kheiri, Geraert & Alizadeh 1999 a

P. allius (Shahina & Maqbool 1996) Siddiqi 2000 n. syn.

(Pourjam et al. 1999a) 48♀: L= 550 (420–680) µm; a = 31 (23–37); b = 6.5 (5.2–8); b' = 4.4 (3.3–5.4); c = 20 (15–26); c' = 2.6 (1.9–3.5); St = 16 (15–17.5) µm; V = 77 (72–82)

1♂: L= 580 µm; a = 36.3; b = 6.7; b' = 5.2; c = 19.3; c' = 2.7; St = 14.5 µm; Spicule = 19 µm

Associated plants and localities. Alfalfa (Alborz, Ardabil, East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan, Yazd and Zanjan), almond ( Fars and Hamedan), apple (Ardabil, East Azerbaijan, Gilan, Golestan, Hamedan, Kerman, Kermanshah, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), banana (Sistan and Baluchestan), barley (East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), bean (Alborz, Ardabil and East Azerbaijan), beet (East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), cereal (north and central provinces), cherry (Gilan, Kermanshah, Mazandaran and Qom), citrus (Hormozgan), corn (Ardabil, East Azerbaijan, Fars, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), cotton (East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, Tehran, West Azerbaijan and Zanjan), Crocus sativus (South Khorasan), cucumber (Kerman), date (Kerman), Fig (Gilan, Kerman and Mazandaran), grapevine (East Azerbaijan, Gilan, Golestan, Hamedan, Kermanshah, Kordestan, Markazi, Mazandaran, North Khorasan, Qazvin, Qom, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), hazelnut (Gilan and Mazandaran), nectarine (Gilan and Mazandaran), olive (Gilan, Golestan, Mazandaran and Zanjan), orange (Gilan and Mazandaran), pea ( Fars, Kermanshah, Lorestan, Qom and Razavi Khorasan,), peach (Ardabil), peanut (Alborz), persimmon (Gilan and Mazandaran), pine (Markazi, Qom and Tehran), pistachio (Kerman, Qom, Semnan and Yazd), plum (Gilan, Kerman and Mazandaran), pomegranate (Lorestan), potato (Alborz, Ardabil, East Azerbaijan, Esfahan, Fars, Gilan, Golestan, Hamedan, Kordestan, Lorestan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, Tehran, West Azerbaijan and Zanjan), quince (Gilan and Mazandaran), rapeseed (Esfahan, Fars, Lorestan, North Khorasan, Razavi Khorasan and Tehran), rice (Khuzestan), soyben (Alborz, Ardabil, Fars, Golestan, Lorestan, Mazandaran and Razavi Khorasan), strawberry (Kordestan), sugar beet (Alborz, Ardabil, Esfahan, Fars, Hamedan, Lorestan, Razavi Khorasan and West Azerbaijan), sunflower (Alborz, East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), tea (Gilan), tomato (Alborz, East Azerbaijan, Gilan, Golestan, Hamedan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), walnut (East Azerbaijan, Gilan, Golestan, Hamedan, Kordestan, Mazandaran, North Khorasan, Qazvin, Razavi Khorasan, Semnan, West Azerbaijan and Zanjan), watermelon (Boshehr), wheat (Alborz, Ardabil, Boshehr, East Azerbaijan, Esfahan, Fars, Gilan, Golestan, Hamedan, Kerman, Kermanshah, Kohgiluyeh and Boyer–Ahmad, Lorestan, Mazandaran, North Khorasan, Qazvin, Qom, Razavi Khorasan, Semnan, Tehran, West Azerbaijan, and Zanjan) and Ziziphus zizyphus (South Khorasan).

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Remarks. The Iranian population of P. t hornei (Pourjam et al. 1997) closely corresponds to the original description (Sher & Allen 1953). Loof (1991) and Handoo & Golden (1989) suggested that P. ranjani (Khan & Singh 1975) Pourjam, Kheiri, Geraert & Alizadeh 1999 a could possibly be conspecific with P. thornei . Subsequent SEM studies on specimens of both species revealed the presence of an incomplete annule on one side which falsely appeared as a fourth annule in light microscopy observations. Because of the similarity in measurements and other characters, both species were synonymized (Pourjam et al. 1997, 1999a).