CRICONEMA PARADOXIGER (ORTON WILLIAMS, 1982) RASKI & LUC, 1985: CUTICLE ULTRASTRUCTURE AND REVALIDATION OF THE GENUS AMPHISBAENEMA BY W. DECRAEMER1), J. BALDWIN2), C. EDDLEMAN2) and E. GERAERT3) 1)Koninklijk Belgisch Instituut voor Natuurwetenschappen, Vautierstraat 29, B-1000 Brussels, Belgium; 2)University of California, Riverside, USA; 3) University of Gent, Ledeganckstraat 35, B-9000 Gent, Belgium SEM and TEM studies have been undertaken to unravel the cuticle structure of Criconema paradoxiger (Orton Williams, 1982) Raski & Luc, 1985 and to demonstrate the taxonomic status of this species. The peculiar structure of the lip region and the taxonomic value generally assigned to this character within the Criconematidae are arguments to consider Amphisbaenema as a separate genus, restricting it to the type species. Keywords: Criconema paradoxiger, morphology, taxonomy, Amphisbaenema. Criconema paradoxiger was originally described as Amphisbaenema parado- xiger by Orton Williams in 1982, who introduced it as a new genus. Amphisbae- nema differed from the other genera of the Criconematidae mainly in the female having a cuticle covered with an outer layer of scales, a subspherical head of two (more or less amalgamated) annuli and absence of submedian lobes, labial plates or pseudolips; the juveniles differed in the presence of eight longitudinal rows of tubercles,
Nematologica – Brill
Published: Jan 1, 1996
Keywords: Criconema paradoxiger; Amphisbaenema; taxonomy; morphology
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