First record of Helicotylenchus varicaudatus Yuen, 1964 (Nematoda: Hoplolaimidae) parasitizing Ammophila arenaria (L.) Link in Portuguese coastal sand dunes

by Schreck Reis, C., Vieira Dos Santos, M.C., Marais, M., de A.Santos, M.S.N., Duyts, H., Freitas, H., van der Putten, W.H., de Abrantes, I.M.O.