Rev 09/12/2023
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Tylenchida Tylenchina Tyl;enchuloidea Paratylenchidae Paratylenchinae
Cacopaurus Thorne, 1943
Type specie of the genus: Cacopaurus pestis, Thornes. 1943
Synonyms
Paratylenchus (Thorne, 1943) Goodey, 1963. However, Raski and Luc (1987) disagreed with the synonymy and proposed retaining Cacopaurus as a valid genus.
Cacopaurus is distinguished from the genus Gracilacus (Raski, 1962) by:
(Raski, 1976)
.
Cuticle thin, bearing minute tubercles.
Lateral field with four lines, ornamented with rows of tubercles.
Labial framework weakly developed.
Stylet very long (92 to 102 µm) in regard to body size.
Vulva very posteriorly situated; postvulval part very short, conoid.
Uterus with thick wall.
Esophagus degenerated.
Caudal alae weakly developed, adanal.
Juvenile: Stylet well developed.
[Ref: Raski & Luc, (1987).]
D-rated pest in California Nematode Pest Rating System.
Females have long stylet, swell when mature, and probably do not move once they start feeding - sessile.
Ghaderi, R., Geraert, E., Karegar, A. 2016. TheTylenchulidae of the World. Academia Press, Ghent, Belgium
Raski, D.J. and Luc, M. 1987. A reapraisal of Tylenchina (Nemata) 10. The superfamily Criconematidea Taylor, 1936., Rev. Nematol. 10: 409-444..
Raski, D.J. 1976. Revision of the Genus Paratylenchus Micoletzky, 1922 and Descriptions of New Species. Part III of Three parts--Gracilacus. J. Nematology 8:97-115.
Thorne, G. 1943. Cacopaurus pestis n.g, n.sp. (Nematoda: Criconematoinae), a destructive parasite of the walnut Juglans regia Linn. Proc. Helminth. Soc. Wash 10:78-83.