Studies on Belondiroidea (Nematoda) from India

Abstract

Two new species of Dorylaimellus Cobb, 1913 are described from India. Dorylaimellus jacobi n. sp., 0.89-0.98 mm long, has 70-85 glandular organs, thin spear, single ovary and a cylindrical bluntly rounded tail, 2 anal body widths long. Dorylaimellus clavatus n. sp., 0.40-0.48 mm long, has 32-40 glandular organs, a labial disc, 4-5 μ long spear, two ovaries and an almost clavate tail, 1.5 anal body widths long. Some additional data are given for Dorylaimellias longicaudatus Jairajpuri, 1964; D. discocephalus Siddiqi, 1964; D. indicus Siddiqi, 1964; D. directus Heyns, 1963 and D. vexator Heyns, 1963. Belondira paraclava Jairajpuri, 1964 and Oxydirus gigas Jairajpuri, 1964 are considered valid species and Oxydirus oxycephalus (de Man, 1885) Thorne, 1939 is reported for the first time from India.