Description of Bakernema dauniense n. sp. (Nematoda: Criconematidae) from Italy

Nicola Vovlas

Abstract


Bakernema dauniense n. sp., a bisexual species from the rhizosphere of Pinus halepensis Mill. in Italy, is described and illustrated. Primary differentiating characteristics of the female are body annules bearing short, membranous projections 1.4-2.2 [mu]m long, an anterior vulval lip slightly overlapping the posterior, and a linearly arcuate vagina. The juvenile differs markedly from adults by having annules with a beaded margin, which lack membranous projections. Generic and specific relationships of B. dauniense n. sp. are discussed. This occurrence is the first for a species of Bakernema in Europe. Key words: Bakernema dauniense n. sp., B. inaequale, Criconematidae, morphology, nematode, new species, ring nematode, scanning electron microscopy (SEM), taxonomy.

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