Yaser Adeldoost - Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
Ramin Heydari - Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
Mehrab Esmaeili - Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
Esmaeil Miraeiz - Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.

Twelve species of the genus Aphelenchoides were collected and identified based on morphological and morphometric characters from different regions in North, South and Western Iran. Among collected species i. e. A. centralis, A. cibolensis, A. cyrtus, A. hamatus, A. helicus, A. huntensis, A. limberi, A. obtusicaudatus, A. sprophilus, A. sacchari, A. spicomucronatus and A.tuzeti, three species namely A. cibolensis, A. hamatus and A. saprophilus are new records from Iran. Description, measurements, line drawings and microscopic photographs for Iranian population of these species are provided. Aphelenchoides helicus that was previously reportedwithout description, is described and illustrated as well.

Morphology, morphometric, new record