Results 81 to 90 of about 4,300 (198)

Larvae of helminths of molluscs and insects in Karakalpakstan

open access: yesBiosystems Diversity
The work discusses some issues related to the species diversity of helminth larvae developing in the body of freshwater molluscs and insects distributed in the territory of Karakalpakstan, a vast region in Uzbekistan.
F. D. Akramova   +10 more
doaj   +1 more source

Genetic variability among cecariae of the shistomatidae (Trematoda: Digenea) causing swimmer's itch in Europe

open access: yesParasite, 2001
Ribosomal DNA sequences of the internal transcribed spacer 1 (ITS1) were obtained from schistosome cercariae responsible for swimmer's itch in Europe. Two types of ITS 1 (1100 and 1400), which differ by the number of repeated patterns were found among ...
Picard D., Jousson O.
doaj   +1 more source

Вплив Bilharziella polonica (Plathelminthes, Trematoda) та іонів заліза водного середовища на деякі морфофізіологічні показники Lymnaea stagnalis (Mollusca, Gastropoda, Pulmonata, Lymnaeidae) [PDF]

open access: yes, 2012
Досліджено вплив Bilharziella polonica і різних концентрацій (0,02; 0,2; 2 мг/дм3) іонів заліза водного середовища на деякі морфофізіологічні показники Lymnaea stagnalis (L., 1758).
Стадниченко, А. П.
core  

Прiсноводнi молюски (Gastropoda, Pulmonata, Lymnaeidae) в понтичних вiдкладах пiвдня України

open access: yesДоповiдi Нацiональної академiї наук України
Узагальненоi данi по розповсюдженню понтичних прiсноводних легеневих молюскiв (Gastropoda, Pulmonata, Lymnaeidae) на пiвднi України. З нижньопонтичних (новоросiйський ре- гiопiд’ярус) i верхньопонтичних (босфорський регiопiд’ярус) вiдкладiв пiвдня ...
V. A. Kovalenko
doaj   +1 more source

Cryptic intermediate snail host of the liver fluke Fasciola hepatica in Africa

open access: yesParasites & Vectors, 2019
Background Snails such as Galba truncatula are hosts for trematode flukes causing fascioliasis, a zoonosis that is a major public health problem. Galba truncatula has recently been shown to be a cryptic species complex.
Anna Mahulu   +6 more
doaj   +1 more source

Distribution of recent micromolluscs of Ojos de Añavieja (Soria, Spain) [PDF]

open access: yes, 2016
In this work, the recent micromollusc assemblages of the Añavieja springs have been studied, identifying one bivalve (Pisidium sp.) and 12 gastropod species, five of which are terrestrial (Cochlicella sp., Truncatellina cylindrica, Vallonia costata ...
Larraz, Mariano   +7 more
core  

Chromosomes of a Freshwater Gastropod, Lymnaea luteola Lamarck(Lymnaeidae: Basommatophora).

open access: yesCYTOLOGIA, 1992
Mitotic and meiotic chromosomes from the gonads of the freshwater gastropod, Lymnaea luteola Lamarck, family Lymnaeidae have been studied. The 2n=34 and n=17 were confirmed from the spermatogonial and meiotic metaphases respectively. All the chromosomes were found biarmed with median or submedian position of their centromeres.
R. C. Choudhury, R. K. Pandit, T. Sahu
openaire   +2 more sources

Diplostomiasis in cultured Rainbow Trout (Oncorhynchus mykiss) in Iran

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1999
This is the first report of Diplopstomiasis among rainbow trout in Iran. In June 1997 Diplopstomiasis occurred within rainbow trout farm in west Azarbayjan province. Diagnosis was Diplostomum spathaceum. This farm has the sedimentation pound.
A. Asadzadeh manjili; A. Ghorbanzad
doaj  

Структура угруповань прісноводних легеневих молюсків у водоймах різного типу Романівського району [PDF]

open access: yes, 2015
Прісноводні молюски – одна з найчисленніших груп безхребетних тварин у гідроценозах. Завдяки значній екологічній пластичності вони можуть траплятися в широкому спектрі водних біотопів, від невеликих за розмірами тимчасових до великих стоячих і текучих ...
Вручинська, А. М.   +1 more
core  

Omphiscola glabra (Müller, 1774) (Gastropoda: Lymnaeidae) en la Península Ibérica

open access: yes, 2019
Omphiscola glabra (Müller, 1774) is a freshwater gastropod of the Lymnaeidae family that has remained unknown among the Spanish malacological fauna until, due to a recent review of the malacological collections of the Museo Nacional de Ciencias Naturales of Madrid, we have discovered several historical lots from the north of the Iberian Peninsula ...
Arconada, Beatriz   +2 more
openaire   +2 more sources

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