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Steinernema innovationi n. sp. (Panagrolaimomorpha: Steinernematidae), a new entomopathogenic nematode species from South Africa

Published online by Cambridge University Press:  03 April 2014

H. Çimen ,
M.-M. Lee ,
J. Hatting ,
S. Hazir  and
S.P. Stock
H. Çimen
Affiliation:
Adnan Menderes University, Faculty of Arts and Science, Department of Biology, 09010Aydin, Turkey
M.-M. Lee
Affiliation:
Department of Entomology, University of Arizona, 1140 E. South Campus Dr., Tucson, AZ 85721-0036, Arizona, USA
J. Hatting
Affiliation:
South African Agricultural Research Council, Small Grain Institute, Private Bag X29, Bethlehem, 9701, South Africa
S. Hazir
Affiliation:
Adnan Menderes University, Faculty of Arts and Science, Department of Biology, 09010Aydin, Turkey
S.P. Stock*
Affiliation:
Department of Entomology, University of Arizona, 1140 E. South Campus Dr., Tucson, AZ 85721-0036, Arizona, USA
*
*Fax: +1-520-621-1150 E-mail: spstock@email.arizona.edu
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Abstract

Morphological and molecular sequence data were combined with cross-hybridization studies and used to identify a new Steinernema sp. from Free State, South Africa. Molecular and morphological data indicate that the new species belongs to the ‘glaseri-group’ of Steinernema spp. Key morphological diagnostic characters for S. innovationi n. sp. include the morphometric features of the third-stage infective juveniles: total body length = 1054 (1000–1103) μm, tail length = 108 (97–117) μm, location of the excretory pore = 88 (82–91) μm, and D% = 58 (54–63), E% = 115 (104–137) and H% = 43 (37–46). Additionally, the morphology of the spicules and gubernaculum of the first-generation males are considered key diagnostic traits. Steinernema innovationi n. sp. was also characterized by analysis of both rDNA and mitochondrial gene sequence data, which further indicate the uniqueness of this Steinernema species.

Type
Research Papers
Information
Journal of Helminthology , Volume 89 , Issue 4 , July 2015 , pp. 415 - 427
Copyright
Copyright © Cambridge University Press 2014 

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