Steinernema tophus sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from South Africa

Harun Çimen; Ming Min Lee; Justin Hatting; Selcuk Hazir; S. Patricia Stock

doi:10.11646/zootaxa.3821.3.3

Steinernema tophus sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from South Africa

Harun Çimen, Ming Min Lee, Justin Hatting, Selcuk Hazir, S. Patricia Stock

Entomology

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

A new entomopathogenic nematode, Steinernema tophus n. sp. is described from South Africa. Morphological, molecular (ribosomal gene sequence data) together with cross-hybridization studies were used for diagnostics and identification purposes. Both molecular and morphological data indicate the new species belongs to the 'g/aseri-group' of Steinernema spp. Key morphological diagnostic traits for S. tophus n. sp. include the morphology of the spicules and gubernaculum. Mor- phometric traits of third-stage infective juveniles, including total body length (average 1,046um), tail length (average 70um), location of the excretory pore (average 92 urn), D% (average 63), E% (average 132) and H% (average 32) values are definitive. In addition to these morphological characters, analysis of rDNA (28S and ITS) gene sequences depict this Steinernema species as a distinct and unique entity.

Original language	English (US)
Pages (from-to)	337-353
Number of pages	17
Journal	Zootaxa
Volume	3821
Issue number	3
DOIs	https://doi.org/10.11646/zootaxa.3821.3.3
State	Published - Jun 23 2014

Keywords

Cross hybridization
Mitochondrial genes
Morphology
RDNA genes
South Africa
Steinernema

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Animal Science and Zoology

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10.11646/zootaxa.3821.3.3

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title = "Steinernema tophus sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from South Africa",

abstract = "A new entomopathogenic nematode, Steinernema tophus n. sp. is described from South Africa. Morphological, molecular (ribosomal gene sequence data) together with cross-hybridization studies were used for diagnostics and identification purposes. Both molecular and morphological data indicate the new species belongs to the 'g/aseri-group' of Steinernema spp. Key morphological diagnostic traits for S. tophus n. sp. include the morphology of the spicules and gubernaculum. Mor- phometric traits of third-stage infective juveniles, including total body length (average 1,046um), tail length (average 70um), location of the excretory pore (average 92 urn), D% (average 63), E% (average 132) and H% (average 32) values are definitive. In addition to these morphological characters, analysis of rDNA (28S and ITS) gene sequences depict this Steinernema species as a distinct and unique entity.",

keywords = "Cross hybridization, Mitochondrial genes, Morphology, RDNA genes, South Africa, Steinernema",

author = "Harun {\c C}imen and Lee, {Ming Min} and Justin Hatting and Selcuk Hazir and Stock, {S. Patricia}",

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T1 - Steinernema tophus sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from South Africa

AU - Çimen, Harun

AU - Lee, Ming Min

AU - Hatting, Justin

AU - Hazir, Selcuk

AU - Stock, S. Patricia

PY - 2014/6/23

Y1 - 2014/6/23

N2 - A new entomopathogenic nematode, Steinernema tophus n. sp. is described from South Africa. Morphological, molecular (ribosomal gene sequence data) together with cross-hybridization studies were used for diagnostics and identification purposes. Both molecular and morphological data indicate the new species belongs to the 'g/aseri-group' of Steinernema spp. Key morphological diagnostic traits for S. tophus n. sp. include the morphology of the spicules and gubernaculum. Mor- phometric traits of third-stage infective juveniles, including total body length (average 1,046um), tail length (average 70um), location of the excretory pore (average 92 urn), D% (average 63), E% (average 132) and H% (average 32) values are definitive. In addition to these morphological characters, analysis of rDNA (28S and ITS) gene sequences depict this Steinernema species as a distinct and unique entity.

AB - A new entomopathogenic nematode, Steinernema tophus n. sp. is described from South Africa. Morphological, molecular (ribosomal gene sequence data) together with cross-hybridization studies were used for diagnostics and identification purposes. Both molecular and morphological data indicate the new species belongs to the 'g/aseri-group' of Steinernema spp. Key morphological diagnostic traits for S. tophus n. sp. include the morphology of the spicules and gubernaculum. Mor- phometric traits of third-stage infective juveniles, including total body length (average 1,046um), tail length (average 70um), location of the excretory pore (average 92 urn), D% (average 63), E% (average 132) and H% (average 32) values are definitive. In addition to these morphological characters, analysis of rDNA (28S and ITS) gene sequences depict this Steinernema species as a distinct and unique entity.

KW - Cross hybridization

KW - Mitochondrial genes

KW - Morphology

KW - RDNA genes

KW - South Africa

KW - Steinernema

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Steinernema tophus sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from South Africa

Abstract

Keywords

ASJC Scopus subject areas

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