Inland free-living nematodes in China: a historical review of taxonomic studies with descriptions of Aphanonchus orientalis sp.nov. [Chromadorida: Leptolaimidae] and Daptonema limnobia sp.nov. [Monchysterida: Xyalidae]

• Autorzy: Wu J , Liang Y
• Języki publikacji: EN

Abstrakty

EN

The study of inland free-living nematodes is relatively imperfect in China, only seventeen papers were previously published. Since the early researches in 20-30s, few works have been accomplished until 80s. Altogether 171 taxa were formerly recorded, among which, over eighty species have been re-combined. A checklist of the former records with notes on their distribution is presented in this paper. Recently, the function of free-living nematodes has received much attention from Chinese zoologists. Hence, the present authors carried out their studies with emphasis on taxonomy of inland nematodes. During the survey of freshwater lakes, two species are found to be new to science. Aphanonchus orientalis sp. nov. is characterized by having sclerotized vagina, the presence of 10-11 tubular supplements and 42-62 alveoli supplements in males, but no alveoli in females. Daptonema limnobia sp. nov. is distinguished from other species of the genus in the presence of larger and more anteriorly located amphids, shorter bifurcated spicules, smaller apophysis of gubernaculum, shorter terminal setae, and postvulval uterine sac in females.

Słowa kluczowe

EN

Aphanonchus orientalis; Monhysterida; Chromadorida; China; Daptonema limnobia; new species; Xyalidae; nematode; taxonomy; Leptolaimidae

• Wydawca: -
• Czasopismo: Annales Zoologici
• Rocznik: 2000
• Tom: 50
• Numer: 2
• Opis fizyczny: p.307-319,fig.

Twórcy

autor

Wu J

• Institute of Biodiversity Science, Schoold of Life Sciences, Fudan University, Shanghai 200433, China

autor

Liang Y

• Institute of Hydrobiology, the Chinese Academy of Sciences, Wuhan, Hubei 430072, China

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