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Two new species of the genus Prionchulus Cobb, 1916 (Nematoda: Mononchina)

100%

Susulovsky A. , Winiszewska G.

Annales Zoologici

2006

tom 56

nr 2

Prionchulus hygrophilus sp. nov. and P. bogdanowiczi sp. nov. are described based on the material collected from Ukraine and Taiwan.

Revision of the genus Prionchulus Cobb, 1916 [Nematoda: Mononchina]. II. Prionchulus spectabilis [Ditlevsen, 1911] Cobb, 1916 and related species

100%

Winiszewska G. , Susulovsky A.

Annales Zoologici

2004

tom 54

nr 3

This paper deals with eight species belonging to the genus Prionchulus Cobb, 1916. P. spectabilis (Ditlevsen, 1911) and P. longus (Thorne, 1929) are redescribed on the basis of the type material. Six new species: P. kralli sp. nov., P. pinophilus sp. nov., P. polonicus sp. nov., P. pseudolongus sp. nov., P. septentrionalis sp. nov., and P. thornei sp. nov. are described and illustrated.

Revision of the genus Prionchulus Cobb, 1916 [Nematoda: Mononchina]. I. Prionchulus muscorum [Dujardin, 1845] Cobb, 1916 and related species

100%

Winiszewska G. , Susulovsky A.

Annales Zoologici

2003

tom 53

nr 3

This paper deals with six species belonging to the genus Prionchulus Cobb, 1916 which are characterized by having spacious buccal cavity, lower position of dorsal tooth, relatively large and clearly separated subventral denticles, female genital branches without spermatheca and without valvular apparatus between uterus and oviduct. Description of male of P. muscorum (Dujardin, 1845) is given. P. ctenodentatus (Tysowski, 1915) is recognized as a valid species and a neotype is designated. P. fagi Zell, 1985 is redescribed on the basis of the type material. P. zelli nom. nov. is proposed for P. bastiani Zell, 1985, nec Mononchus bastiani De Man, 1876 (syn. P. muscorum (Dujardin, 1845)) and is redescribed from type material and specimens from Ukraine and Poland. P. oxycercus Zell, 1985 is considered a synonym of P. zelli. Two new species: P. ferox sp. nov. and P. olexandri sp. nov. are described and illustrated. The first one is characterized by the relatively small body dimensions; relatively long pharynx; rounded lip region; protruding cephalic and labial papillae; buccal cavity spacious and ovate with funnel-shaped base; lower position of dorsal tooth apex; close arranged sclerotizations, rounded, drop-shaped or arcuate semicircular, with smooth surface; tail conical and slightly ventraly bent; hyaline part of tail conical, longer than wide with slightly rounded tip. P. oleksandri sp. nov. is characterized by a medium size of body; truncate lip region with not protruding cephalic papillae; thick-walled and cylindrical buccal cavity with funnel-shaped base; lower position of dorsal tooth and amphid; well separated sclerotizations of pars refringens vaginae, which are arcuate drop-shaped with smooth surface; conical and regularly tapering tail with cylindrical and weakly rounded tip; well expressed hyaline part of the tail.

New and little known Prionchulus species [Nematoda: Mononchina] from Kamchatka Peninsula, Russia

84%

Susulovsky A. , Winiszewska G. , Gagarin V. G.

Annales Zoologici

2003

tom 53

nr 4

Prionchulus kamchaticus sp. nov. and P. major Gagarin, 2001 are described and redescribed based on the material collected from Kamchatka Peninsula, Russia.

Occurrence and distribution of nematodes in rice fields in Guilan province, Iran and the first record of Mylonchulus polonicus (Stefanski, 1915) Cobb, 1917 (Nematoda: Mononchina)

67%

Shahabi S. , Kheiri A. , Rakhshandehroo F. , Jamali S.

Journal of Plant Protection Research

2016

tom 56

nr 4

The distribution of nematodes was studied in rice fields in Guilan province, Iran, from 2014 to 2016. Nematode biodiversity of 250 soil and root samples was examined. Thirty nematode species were identified morphologically, including plant parasites, microbivores and mycetophagous and predator species. Molecular techniques were also used for further identification of three plant parasitic species. Indicators of population were also estimated. Spiral nematodes (Helicotylenchus crenacauda Sher, 1966 and H. digitiformis Ivanova, 1967) and stunt nematode (Tylenchorhynchus agri) were the predominant parasitic species identified. Among other species, three mononchid species were identified namely Mononchus aquaticus, Mylonchulus sigmaturus and M. polonicus. The species M. polonicus was found and reported in Iran for the first time. The two plant parasitic species T. agri and Xiphinema index were reported in association with rice in Iran for the first time. To evaluate the distribution and incidence of Aphelenchoides besseyi (rice white-tip nematode) in different regions of Guilan province, a total of 255 fresh seed samples were collected/inspected, of which, about 40% of them were infested with A. besseyi. Of the 16 studied counties, the highest percentage of infected seeds came from fields around the city of Astara (69.2%) and the second highest infection was observed near the city of Anzali (60%).