Descriptions of Deladenus albizicus n. sp. and D. processus n. sp. (Nematoda : Hexatylina) from Haryana, India

Two different nematodes were isolated from the bark of Albizia lebbeck trees; one from insect infested and another from noninfested, healthy tree. Based on the biological, morphological, and molecular evidences, the nematodes are described as Deladenus albizicus n. sp. and D. processus n. sp. (Nemat...

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Veröffentlicht in:Journal of nematology. - 1969. - 47(2015), 1 vom: 25. März, Seite 52-9
1. Verfasser: Tomar, V V S (VerfasserIn)
Weitere Verfasser: Somvanshi, Vishal S, Bajaj, Harish K
Format: Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Albizia lebbeck Alternaria alternata Beddingia COI D. albizicus n. sp. D2D3 Deladenus processus n. sp. ITS Nigrospora oryzae mehr... Phaenopsitylenchus biology entomoparasitic nematode taxonomy
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245 1 0 |a Descriptions of Deladenus albizicus n. sp. and D. processus n. sp. (Nematoda  |b Hexatylina) from Haryana, India 
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520 |a Two different nematodes were isolated from the bark of Albizia lebbeck trees; one from insect infested and another from noninfested, healthy tree. Based on the biological, morphological, and molecular evidences, the nematodes are described as Deladenus albizicus n. sp. and D. processus n. sp. (Nematoda: Hexatylina). Deladenus albizicus n. sp., isolated from insect-infested tree, multiplied on the fungus Nigrospora oryzae. Myceliophagous females of this nematode reproduced by parthenogenesis and spermathecae were indistinct. Infective females, readily produced in the cultures, are dorsally curved. Only one type of males containing small-sized sperms in their genital tracts were produced in the culture. Myceliophagous females: L = 0.75 to 1.71 mm, a = 32.3 to 50.8, b = 9.3 to 11.2, b' = 5.2 to 7.3, c = 27.2 to 35.6, V = 91.0 to 93.3, c' = 2.0 to 2.9, stylet = 11 to 12 µm, excretory pore in the region of median pharyngeal bulb, 43 to 47 µm anterior to hemizonid. Deladenus processus n. sp., isolated from bark of healthy A. lebbeck tree, was cultured on Alternaria alternata. Myceliophagous females reproduced by amphimixis and their spermathecae contained rounded sperms. Infective females were never produced, even in old cultures. Myceliophagous females: L = 0.76 to 0.99 mm, a = 34 to 49, b = 13.3 to 17.7, b' = 3.8 to 5.8, c = 19.6 to 22.8, V = 92.2 to 93.5, c' = 2.7 to 3.5, stylet = 6 to 7 µm, excretory pore in the proximity of hemizonid, tail conoid, tapering from both sides to a long pointed central process. It is proposed to classify Deladenus species in three groups: durus, siricidicola, and laricis groups based on female and spermatogonia dimorphism, mode of reproduction, and insect parasitism 
650 4 |a Journal Article 
650 4 |a Albizia lebbeck 
650 4 |a Alternaria alternata 
650 4 |a Beddingia 
650 4 |a COI 
650 4 |a D. albizicus n. sp. 
650 4 |a D2D3 
650 4 |a Deladenus processus n. sp. 
650 4 |a ITS 
650 4 |a Nigrospora oryzae 
650 4 |a Phaenopsitylenchus 
650 4 |a biology 
650 4 |a entomoparasitic nematode 
650 4 |a taxonomy 
700 1 |a Somvanshi, Vishal S  |e verfasserin  |4 aut 
700 1 |a Bajaj, Harish K  |e verfasserin  |4 aut 
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