Description of Hemicaloosia graminis n. sp. (Nematoda : Caloosiidae) Associated with Turfgrasses in North and South Carolina, USA

A new nematode species was discovered during a diversity survey of plant-parasitic nematodes on turfgrass conducted in North and South Carolina in 2010 and 2011. It is described herein as Hemicaloosia graminis n. sp. and is characterized by two annuli in the lip region, one lateral line, body 610.0-...

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Veröffentlicht in:Journal of nematology. - 1969. - 44(2012), 2 vom: 01. Juni, Seite 134-41
1. Verfasser: Zeng, Yongsan (VerfasserIn)
Weitere Verfasser: Ye, Weimin, Tredway, Lane, Martin, Samuel, Martin, Matt
Format: Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article ITS1 molecular phylogeny morphology morphometrics small subunit rRNA (SSU) taxonomy turfgrass
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245 1 0 |a Description of Hemicaloosia graminis n. sp. (Nematoda  |b Caloosiidae) Associated with Turfgrasses in North and South Carolina, USA 
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500 |a Date Revised 21.10.2021 
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520 |a A new nematode species was discovered during a diversity survey of plant-parasitic nematodes on turfgrass conducted in North and South Carolina in 2010 and 2011. It is described herein as Hemicaloosia graminis n. sp. and is characterized by two annuli in the lip region, one lateral line, body 610.0-805.0 μm long, stylet 65.0-74.6 μm long, vulva at 84.1% -85.8% of the body , 254-283 annuli, vulva at the 38-53(rd) annulus from tail terminus, 12-14 annuli between vulva and anus, tail elongate-pointed, 67.5-84.8 μm long in females and spicule straight, 31.0 μm long, caudal alae well developed, two lateral lines in males. The newly described species is morphologically closest to H. paradoxa, but has a longer stylet (65.0-74.6 vs 61.0-65.0 μm) and a higher V-value (84.1-85.8 vs 78.1-84.0%), less RV (38-53 vs 50-56), higher RVan (12-14 vs 10) in females, and a shorter tail (30.1 vs 36.7 μm) and more anteriorly located excretory pore (105.9 vs 140.0 μm) in the male. It was easily differentiated from other species based on near-full-length small subunit rRNA gene (SSU) and ITS1 sequences. Phylogenetic analysis from SSU supports placement in a monophyletic clade with the genus Caloosia. An identification key and a table of distinguishing characteristics are presented for all seven species of Hemicaloosia 
650 4 |a Journal Article 
650 4 |a ITS1 
650 4 |a molecular phylogeny 
650 4 |a morphology 
650 4 |a morphometrics 
650 4 |a small subunit rRNA (SSU) 
650 4 |a taxonomy 
650 4 |a turfgrass 
700 1 |a Ye, Weimin  |e verfasserin  |4 aut 
700 1 |a Tredway, Lane  |e verfasserin  |4 aut 
700 1 |a Martin, Samuel  |e verfasserin  |4 aut 
700 1 |a Martin, Matt  |e verfasserin  |4 aut 
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