CRICONEMATOIDEA (NEMATODA) NEI VIGNETI DI CONEGLIANO E VALDOBBIADENE, IN PROVINCIA DI TREVISO

Abstract

Criconematoidea in vineyards of Conegliano and Valdobbiadene, in the province of Treviso, Italy. Three hundred sixteen samples from the most important vineyards in Conegliano and Valdobbiadene in the province of Treviso, northeastern Italy, were analyzed far Criconematoidea. Criconemoides informis, Macroposthonia xenoplax, M. yossifovichi and M. curvata occurred most frequently, and M. sphaerocephala, M. irregularis, Hemicriconemoides gaddi and Criconema mutabile the least frequently. Ali of the species found are new records far the region and M. dherdei is new far Italy. M. xenoplax was found at high frequency in the up-lands and M. yossifovichi in plains. Species of the genera Ogma and Xenocriconemella, which inhabit natural habitats, were absent.