A checklist of the family Pratylenchidae Thorne, 1949 from Iran Alvani, Somaye Mahdikhani-Moghadam, Esmat Rouhani, Hamid Mohammadi, Abbas Zootaxa 2016 4079 2 179 204 (Tobar Jimenez 1963) Braun & Loof 1966 (Tobar Jimenez 1963) Braun & Loof 1966 [179,311,215,240] Secernentea Pratylenchidae Zygotylenchus Animalia Tylenchida 17 196 Nematoda species guevarai   Syn:  Pratylenchoides guevaraiTobar Jiménez 1963   Zygotylenchus browniSiddiqi 1963   Mesotylus gallicusde Guiran 1964   Zygotylenchus gallicus(de Guiran) Braun & Loof 1966 (Pourjam et al. 2000) 23♀: L= 564 (470–735) µm; a= 27.8 (25.5–32.8); b= 5.8 (4.6–8.1); b'= 4 (3.5–5); c= 18.5 (16.3–21); c'= 2.2 (1.8–2.5); St= 16 (15–17.5) µm; V= 61.4 (58–65)   8♂: L= 514 (430–610) µm; a= 28.1 (23.8–37.2); b= 5.7 (4.9–7.1); b'= 4.2 (3.6–4.8); c= 19.3 (16.5–21.6); c'= 2.2 (1.9–3); St= 15.8 (15–17) µm; Spicules= 20.4 (17.5–27) µm  Associated plants and localities.Alfalfa (Ardabil, East Azerbaijan, Esfahan, Fars, Gilan, Hamedan, Hormozgan, Kerman, Kohgiluyeh and Boyer–Ahmad, Kordestan, Qom, Yazd and Zanjan), almond (Ardabil, East Azerbaijan, Fars, Gilan and Kohgiluyeh and Boyer–Ahmad), apple (Alborz, Ardabil, East Azerbaijan, Kermanshah, West Azerbaijanand Zanjan), apricot (Qazvin), barley ( Fars), bean (Markazi and Zanjan), beet (Esfahan), cauliflower (Tehran), cherry (Ardabil, East Azerbaijanand Semnan), chestnut (Ardabil), chrysanthemum (Markazi), coriander (East Azerbaijan), cotton (East Azerbaijanand Golestan), fig (Gilan and Mazandaran), grapevine (Hamedan, Kermanshah, Markazi, Qom and West Azerbaijan), olive (Gilan and Golestan), onion (Ardabil and East Azerbaijan), parsley (East Azerbaijan), pea (Kerman, Semnan, Qazvin and Qom), peach (Lorestan), pear (Ardabil, East Azerbaijanand Zanjan), pennyroyal (East Azerbaijan), persimmon (Alborz and Tehran), pistachio (Kerman, Qazvin, Qom and Semnan,), plum (Razavi Khorasan), pomegranate (Esfahan and Kerman), potato (Ardabil, East Azerbaijan, Esfahan, Hamedan, Semnan, Tehran and Zanjan), quince (Gilan and Mazandaran), rapeseed (Esfahan and North Khorasan), strawberry (Kordestan), sugar beet (Alborz, Ardabil, Fars, Hamedan, Lorestan, North Khorasan and Razavi Khorasan), tobacco (Mazandaran), tomato (North Khorasan), valerian (Tehran), walnut (Gilan, Hamedan, Kordestan and Markazi), wheat (Alborz, Ardabil, Esfahan, Fars, Hamedan, Khuzestan, Lorestan and Qom) and  Ziziphus zizyphus(South Khorasan).   References.Kheiri 1972; Akhyani, A. et al., Agricultural and Natural Resources Research Center of Esfahan, Esfahan, 1994, pers. com; Teymoori, F. & Noori, P, Plant Pests and Diseases Research Institute of Varamin, Varamin, 1994, pers. com; Mahdikhani–Moghadam & Kheiri 1995; Keregar et al. 1995; Niknam & Kheiri 1996; Hosseininejad et al. 1997; Barooti 1998; Pourjam et al. 2000 [F]; Jamali, S. et al., Gilan University, Rasht, 2002, pers. com; Karimi Pourfard, H. et al., Agricultural and Natural Resources Research Center of Esfahan, Esfahan, 2002, pers. com; Barooti, S. & Hosseininejad, S.A, Iranian Research Institute of Plant Protection, Tehran, 2004, pers. com; Eshaghi, R. et al., Shahid–Chamran University of Ahzaz, Ahvaz, 2004, pers. com; Tanha Maafi et al. 2004, Ebrahimi et al. 2004; Jamali et al. 2004; Noori et al. 2005; Tanha Maafi et al. 2005; Hasanzadeh Khalifehkandi et al. 2005 [P]; Niknam et al. 2005; Giti et al. 2005; Barooti, S, Iranian Research Institute of Plant Protection, Tehran, 2006, pers. com; Karegar 2006 [P]; Aliramaji et al. 2006 [F]; Barooti, S. & Khozeini, H, Iranian Research Institute of Plant Protection, Tehran, 2008, pers. com; Mohammad Deimi, A. et al., Science and Research Branch of Islamic Azad University, Tehran, 2008, pers. com; Mohammad Deimi et al. 2008 a, b; Karimi Pourfard, H. et al., Agricultural and Natural Resources Research Center of Esfahan, Esfahan, 2008, pers. com; Jabbari & Niknam 2008; Gharekhani et al. 2008; Ghaderi, R. et al., Shiraz University, Shiraz, 2008, pers. com; Ghaderi et al. 2008; Sedaghatfar & Mohammad Deimi 2009; Kashi Nahanji et al. 2009; Eshaghi, R. et al., Shahid- Chamran University of Ahzaz, Ahvaz, 2010, pers. com; Baadl, S. et al., Ferdowsi University of Mashhad, Mashhad, 2010, pers. com; Razaz Hashemi, S.R, Agricultural and Natural Resources Research Center of Qazvin, Qazvin, 2010, pers. com; Salehi, F. et al., Gorgan University of Agriculture and Natural Resources, Gorgan, 2010, pers. com; Atighi, M. et al., Tehran University, Tehran, 2010, pers. com; Fadavi Khalajlo, Gh. et al., Ferdowsi University of Mashhad, Mashhad, 2010, pers. com; Rafiee et al. 2010; Mohammad Deimi & Mitkowski 2010 [P]; Karimi Pourfard et al. 2010; Talezari et al. 2011; Ghorbanzadeh, H. et al., Tehran University, Karaj, 2012, pers. com; Ashrafi, M. et al., Tabriz University, Tabriz, 2012, pers. com; Karimi Pourfard, H. et al., Agricultural and Natural Resources Research Center of Esfahan, Esfahan, 2012, pers. com; Shokoohi, E. & Naderi, M, Shahid- Bahonar University of Kerman, Kerman, 2012, pers. com; Bahmani, J. et al., Science and Research Branch of Islamic Azad University, Tehran, 2012, pers. com; Molayi et al. 2013; Majd Taheri et al. 2013; Hatami, B. & Asghari, R, Zanjan University, Zanjan, 2014, pers. com; Namadipour, F. et al., Zanjan University, Zanjan, 2014, pers. com; Eskandari et al. 2015; present study.   Remarks.The Iranian populations of  Z. guevarai(Pourjam et al. 2000)closely correspond to the original description (de Guiran 1964). However, in the Iranian population, b factor is higher (4.6–8.1 vs3.7–4.6). Even though variations in shape of the tail tip were observed, tail length and tail annules are the same as in the typematerial.