Two new and a known species of the genus <I>Oriverutus</I> Siddiqi, 1971 (Nematoda: Dorylaimida) from Japan

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  • ドリライミダ目土壌線虫<I>Oriverutus</I>属の本邦産2新種および1既知種の記載
  • Two new and a known species of the genus Oriverutus Siddiqi, 1971(Nematoda: Dorylaimida) from Japan

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Description

Two new and a known species of the genus Oriverutus Siddiqi, 1971 is described and illustrated. Oriverutus arcuicaudatus sp. n. is characterized by having 0. 61-0.71mm long body; lip region distinctly offset with protruding labial papillae; 16-17μm long, attenuated odontostyle; amphidelphic gonad with unsclerotized pars refringens vaginae; a small postrectal sac; ventrally arcuate tail and male with a single ventromedian supplement. O. parvus sp. n. has 0.65-0.71mm long body; lip region slightly offset with prominent labial papillae; 13-14μm long, attenuated odontostyle; amphidelphic gonad with sclerotized pars refringens vaginae and elongate conoid, slightly dorsally bent tail. O. occidentalis Peña Santiago and Peralta, 1995 is reported here for the first time from Japan. Jpn. J. Nematol. 32 (2), 31-44 (2002).

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