Paravulvusrhodopensis sp. n. (Nematoda: Nygolaimidae) and three known speciesfrom Bulgaria, with notes on the taxonomy of the genus Lazarova, S.,Peneva, V. & Loof, P.A.A. 505
Variation in virulence of cereal cystnematode populations from NorthAfrica and Asia Mokabli, A., Valette, S., Gauthier, J.-P. &Rivoal, R. 521
Responsesof nematode species composition to factorial addition of carbon,fertiliser,bactericide and fungicide at two sub-arctic sites Ruess, L., Schmidt, I.K., Michelsen, A. &Jonasson, S. 527
Incidence of plant-parasiticnematodes in natural and semi-natural mountain grassland and the hoststatus of some common grass species Talavera, M. & Navas, A. 541
Short communications
Comparisonof the rate of embryogenic development of Globodera rostochiensisand G. pallida using flow cytometric analysis Perry, R.N.,Beane, J., Marett, C.C. & Tylka, G.L. 553