MORPHO-ANATOMICAL OBSERVATIONS ON APHASMATYLENCHUS NIGERIENSIS AND SCUTELLONEMA CLATHRICAUDATUM FROM WEST-AFRICA

N. Vovlas, A. Troccoli, F. Lamberti

Abstract


Previous descriptions, illustrations and geographical reports of Aphasmatylenchus nigeriensis Sher, 1965 and Scutellonema clathricaudatum Whitehead, 1959 are amplified and supplemented by light and scanning electron microscope observations. Particular consideration was given to amplifying details of lateral field areolations and surface characteristics of en face view , useful for their identification. The presence of A. nigeriensis in a natural habitat at Nangota, Liberia and A. clathricadatum in Koinadugu (Kabala) Sierra Leone, enlarges the distribution records for these species, while the morphometric descriptive characteristics of our populations extend the known range of variability for both species.

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