Five species of Longidoridae belonging to the genera Longidorus and Xiphinema were found, described and illustrated, i.e., Longidorus africanus, L. pisi, Xiphinema basiri, X. elongatum and X. simillimum. All species are recorded far the second time from Sudan. L. africanus possesses a small amphidial aperture, appearing as a minute slit both under light microscope and SEM.
