Whitehead, A.G.2015-07-162015-07-161959Whitehead, A.G. (1959). Trichotylenchus falciformis ngn sp. Belonolaiminae n. subfam.: Tylenchida Thorne, 1949 an associate of grassroots (Hyparrhenia s) in Southern Tanganyika. East African Agricultural And Forestry Journal, 4, 279-285. https://kalroerepository.kalro.org/handle/0/48040012-8325https://kalroerepository.kalro.org/handle/0/4804Trichotylenchus falciformis n.g. n.sp. is described, figured and put into the new subfamily Belonolaiminae. The spear base is split slightly, each arm bearing a rounded, basal knob. The head is cap-like with four lips, each with about four annules. The tail in both sexes is about six anal-body-widths long with the phasmids behind the mid-point of the tail. The lateral fields have three incisuresv the posterior part of the oesophagus overlaps the intestine as a glandular lobe. The ovaries are paired, outstretched and opposed; spermathecae are present; the vulva is median. The nematode occurred around roots of the grass Hyparrhenia sp. in Tanganyika. Belonolaimus is designated type genus of Belonolaiminae which is defined. J. B. Goodey.enhttp://creativecommons.org/licenses/by/3.0/Journal ContributionRootsNematodesLarvaeSpecies