Genus Pratylenchus Filipjev: multientry and monoentry keys and diagnostic relationships (Nematoda: Tylenchida: Pratylenchidae)

Author:

Ryss A.Y.1

Affiliation:

1. Zoological Institute, Russian Academy of Sciences, Universitetskaya nab. 1, St.Petersburg 199034, Russia

Abstract

Tabular (multientry) key to Pratylenchus is presented, and functioning of the computerized multientry image-operating key developed on the basis of the stepwise computer diagnostic system BIKEY-PICKEY is described. Monoentry key to Pratylenchus is given, and diagnostic relationships are analysed with the routine taxonomic methods as well as with the use of BIKEY diagnostic system and by the cluster tree analysis using STATISTICA program package. The synonymy Pratylenchus scribneri Steiner in Sherbakoff & Stanley, 1943 = P. jordanensis Hashim, 1983, syn. n. is established. Conclusion on the transition from amphimixis to parthenogenesis as one of the leading evolutionary factors for Pratylenchus is drawn.

Publisher

Zoological Institute of the Russian Academy of Sciences

Subject

Animal Science and Zoology,Insect Science,Ecology, Evolution, Behavior and Systematics

Reference71 articles.

1. Alien, M.W. & Jensen, H.J. 1951. Pratylenchus vulnus, new species (Nematoda: Pratylenchinae ), a parasite of trees and vines in California. Proc. helminthol. Soc.Wash., 18: 47-50.

2. Anderson, R.V. & Townshend, J.L. 1985. A new species of root-lesion nematode (Pratylenchidae: Nematoda) in Canada with a scanning electron microscope study of its head morphology. Can.J. Zool., 63(10): 2378-2382. https://doi.org/10.1139/z85-351

3. Bajaj, H.K. & Bhatti, D.S. 1984. New and known species of Pratylenchus Filipjev, 1936 (Nematoda: Pratylenchidae) from Haryana, India, with remarks on intraspecific variations. J. Nematol., 16(4): 360-367.

4. Baranovskaya, I.A. & Haque, M.M. 1968. Description of Pratylenchus clavicaudatus sp. n. (Nematoda, Pratylenchinae Thome, 1949). Zool. Zh., 47(5): 759-761. (In Russian).

5. Bernard, E.C. 1984. Hoplolaimoidea (Nematoda: Tylenchida) from the Aleutian Islands with descriptions of four new species: J. Nematol., 16(2): 194-203.

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