DESCRIPTION OF TYLENCHORHYNCHUS TUBEROSUS N.SP., AND OBSERVATIONS ON DOLICHORHYNCHUS PHASEOLI (NEMATODA: DOLICHODORIDAE) FROM ORNAMENTAL PLANTS OF KARACHI, PAKISTAN

Abstract

Tylenchorhynchus tuberosus n. sp., collected from soil around the roots of tuberose (Polianthes tuberose L.) can be separated from all the species of the genus on the basis of smooth continuous head, unstriated tail terminus. Dolichorhynchus phaseoli was for the first time found around the roots of various ornamental plants in Pakistan. Morphometric data and illustrations of D. phaseoli are given herein.