Abstract
The detailed morphological and taxonomical studies revealed the presence of number of plant parasitic nematodes from grass (Cynodon dactylon L.) at different areas of University of Karachi. The genus Helicotylenchus was encountered with highest occurrence among other plant parasitic genera. In the present investigations, two known spiral nematode species viz. Helicotylenchus abuharazi Zeidan and Geraert, 1990 and Helicotylenchus wajihi Sultan, 1981 associated with grass were found as new records and were studied for their taxonomic descriptions. Brief redescription along with their measurements and illustrations are provided herein. These species were reported for the first time from Pakistan.
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