World Database of Nematodes

Hendelberg, M. (1978). Occurrence and taxonomical significance of additional cephalic setae in some Linhomoeidae (Nematoda). Annales de la Société Royale Zoologique de Belgique. 108 (1-2): 57-64.

179653

Hendelberg, M.

1978

108 (1-2): 57-64

Publication

NeMys doc_id: 17737

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The cephalic sensory structures, papillae and setae, were studied m five species of Paralinhomoeus (Linhomoeidae) by light and scanning electron microscopy. A basic cephalic pattern, six labial papillae and ten cephalic setae, was characteristic of all young juveniles. Additional cephalic setae were observed m adults of four specIes, most frequently in males, giving rise to a variation within species or a sexual dimorphism. The wide-spread occurrence and great Variation in number of addittional cephalic setae have to be consIdered before using the number of cephalic setae as a taxonomical character within Paralinhomoeus and related genera. On the basis of present knowledge the delimitation of some genera within Linhomoeinae is doubtful and the genera Perilinhomoeus and Anticyclus are to be synonymIzed wIth Paralinhomoeus.

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