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Systematics

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Part of the Developments in Plant Pathology book series (DIPP, volume 6)

Abstract

Body cigar-shaped. Onchiostyle relatively long, ventrally curved without basal knobs; guiding ring simple, surrounds anterior end of onchiostyle. Nerve ring about halfway the pharynx, at isthmus region. Pharynx with swollen posterior glandular bulb; five gland nuclei present: one posterior ventrosublateral pair, one small anterior ventrosublateral pair, and a single large dorsal nucleus; dorsal nucleus position varies within same species between anterior and posterior ventrosublateral pairs. Male with one testis, outstretched; precloacal supplements well developed; poorly developed caudal alae present or absent; spicules straight to ventrally curved, with or without ornamentation. Spicule protractor muscles form capsule of suspensor muscles around the spicules. Female reproductive system didelphic-amphidelphic or monodelphic-prodelphic, ovary (ovaries) reflexed; oviduct consisting of two finely granular cells; spermatheca(e) present or absent; rectum almost parallel to longitudinal body axis; anus subterminal. Tail short, maximum length one anal body width.

Keywords

Copulatory Apparatus Longitudinal Body Axis Spicule Length Pharyngeal Bulb Pharyngeal Gland 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  1. 1.Koninklijk Belgisch Instituut voor NatuurwetenschappenBrusselsBelgium

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