Results 151 to 160 of about 1,009 (193)

Reproductive ecology of Naididae (Oligochaeta)

Hydrobiologia, 1981
Asexual reproduction is employed by species of Naididae during favorable environmental conditions. In species characteristic of aquatic habitats subject to rapid fluctuations in water levels and temperatures most individuals in a population become sexually mature, and there is degeneration of the alimentary tract, a shortened breeding season, and ...
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Molecular taxonomy and description of a new species of Limnodrilus (Naididae, Clitellata, Annelida) in China.

Zootaxa, 2021
The freshwater annelid worm genus Limnodrilus, including the widely distributed L. claparedianus Ratzel, 1868, is common in Chinese freshwater ecosystems. One species, previously recognized as morphologically intermediate between L. claparedianus and the
Ting Zhou, YU-DE Peng, Hongzhu Wang, C. Erséus, Yongde Cui   +4 more
semanticscholar   +1 more source

New invader colonises the Danube: Quistadrilus multisetosus (Smith, 1900) (Clitellata: Naididae) population settled in the Slovakian stretch of the Danube floodplain

International Journal of Limnology
This study reports the establishment of a population of Quistadrilus multisetosus (Smith, 1900), a new addition to the Slovak fauna, in the Danube floodplain.
Igor Kokavec, Miroslav Mláka, E. Elexová   +2 more
semanticscholar   +1 more source

Contributions towards the taxonomy of the African Naididae (Oligochaeta). IV. Zoogeographical and taxonomical considerations on African Naididae

Hydrobiologia, 1987
A systematic revision of African Naididae confirmed the presence of 16 genera and 48 species. Allonais ranauana Boldt, 1932 is confirmed as a distinct species, Nais raviensis Stephenson, 1914 has very short gills and is a species of Dero, and Rhopalonais has equally obscure gills and is attributable to Dero.
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Naididae

2017
Published as part of Timm, Tarmo, 2017, Aquatic microdrile Oligochaeta (Annelida, Clitellata): New nominal taxa and combinations since 1984, pp. 401-452 in Zootaxa 4282 (3) on pages 407-409, DOI: 10.11646/zootaxa.4282.3.1, http://zenodo.org/record ...
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Some Naididae and Tubificidae from Central Africa

Hydrobiologia, 1974
This first contribution to knowledge of Naididae and Tubificidae of Guatemala, El Salvador, and Nicaragua reports the occurrence of 17 forms. Of these, Nais communis, N. elinguis, N. pardalis, Dero digitata, Pristina longiseta, Limnodrilus hoffmeisteri and L.
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Ecophenotypic Variation in Setae of Naididae (Oligochaeta)

1980
Specimens from a clone of Pristina aequiseta Bourne were found to lose and regain giant setae characteristic of the species when cultured in varying ionic concentrations of an artificial pond water. Pristina foreli (Piguet) is declared a junior synonym of P. aequiseta.
M. S. Loden, W. J. Harman
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Aquatic Oligochaeta in Italy, with special reference to Naididae

Hydrobiologia, 1996
We present a list of Italian freshwater and marine Oligochaeta in the families Lumbriculidae, Haplotaxidae, Tubificidae, Naididae, Propappidae, Criodrilidae, and Lumbricidae, representing 57 genera and 130 species. Published data reflect the incomplete knowledge of the Italian oligochaete fauna, restricted to certain geographical areas.
Andreina Di Chiara Paoletti, Beatrice Sambugar   +1 more
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Morphological and molecular characterization of a new freshwater microsporidium, Jirovecia sinensis sp. n. (Microsporidia) infecting the coelomocytes of Branchiura sowerbyi (Oligochaeta: Naididae) in China.

Journal of Invertebrate Pathology, 2020
We report a new microsporidium Jirovecia sinensis sp. n. from a freshwater oligochaete, Branchiura sowerbyi collected in Hongze city, Jiangsu province, East China.
Xinhua Liu, Meiqi Wen, Yuanli Zhao, Aihua Li, Jinyong Zhang   +4 more
semanticscholar   +1 more source

Growth of Stylaria lacustris (L.) (Oligochaeta, Naididae)

Hydrobiologia, 1984
The peculiarities of the growth in weight and length of Stylaria lacustris (L.) on the basis of observations in experimental vessels are considered. The growth of this species fits a parabolic curve. The equations relating weight to absolute growth rate as well as weight to duration of life are given.
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