Description of Basiria birjandiensis n. sp (Nematoda: Tylenchidae) from South Khorasan province with a checklist of the family Tylenchidae Örley 1880 from Iran

In order to identify plant-parasitic nematodes (family Tylenchidae Örley 1880) associated with Ziziphus zizyphus in Iran, 360 soil and root samples were collected from South Khorasan province during 2012-2014. Herein, a new species of Basiria and several known members of the family Tylenchidae are reported. B. birjandiensis n. sp. is characterized by short body length (584-748 μm [660.6±72.3]), lip region with flat apex, stylet 11-12 μm (11.3±0.5), excretory pore position varying from isthmus level to the middle of the basal bulb (78-91 μm from the anterior end of the body), post-vulval uterine sac 8-14 μm (10.7±1.9) long, filiform tail (151-181 μm, c= 3.7-4.2, c= 14.3-17.2) and body annuli 0.5-1 μm (0.6±0.1) wide. A checklist of Tylenchidae species from Iran is also presented.