Indian Journal of Nematology

Three new species of dorylaims i.e. Thornenema garhwalicum sp.n Aporcelaimus litchi sp. n., and Carcharolaimus deniicus sp.n., collected around the root zone of Litchi fruit trees from Doon valley are being described. Thornema garhwalicum sp.n resembles with T. mauritianum (Williams, 1959) Baqri & Jairajpuri, 1967 and T. baldum (Thorne, 1959) Andrassy, 1959. It differs in having a shorter tail, longer spicule and more number of ventro-median supplements and having a differently shaped longer and narrower body, longer spicule and more ventromedian supplements. Aporcelaimus litchi sp.n. resembles with A. cobbi Thorne, 1937 and A. pachydermus Thorne 1937, but differs in having differently shaped lip region with sclerotization, longer spear, anterior vulva and body width and having conoid tail and shorter body. Carcharolaimus denticus sp.n resembles with Carchorolaimus banaticus Karjaic and Loof, 1975 and C. masoodi Jairajpuri, 1968, but differs in having more denticles, longer body, short tail and longer body and tail length, small denticles absent, longer denticles attached to buccal cavity, oesophago-intestinal pad absent.