Nematodes of high altitudes in India. I. Four new species of Tylenchida

Abstract

Hoplolaimus chambus n. sp., 1.24-1.62 mm long, lateral fields marked by breaks in body striations, head marked with 3 annules, basal annule of lip region with 6 longitudinal striae, spear 41-45 μ, oesophageal glands with 6 nuclei, intestine overlapping rectum, and males unknown. A key to species of Hoplolaimus is also given. Rotylenchus indorobustus n. sp., 0.90-1.02 mm long, head marked with 7-8 annules, basal annule of lip region with 24 longitudinal striae, spear 32-35 μ, phasmids pre-anal, and males unkown. Helicotylenchus rohtangus n. sp., 0.89-1.12 mm long, head marked with 5-6 annules, spear 36-38 μ, tail with irregularly indented terminus, phasmids pre-anal, and males unknown. Hemicycliophora subaolica n. sp., females 1.04-1.08 mm long, body annules 225-245, longitudinal lines and incisures absent, head with 2 annules, spear 89-99 μ, tail uniformly conoid, and males recorded.