Results 41 to 50 of about 1,413 (204)

First report of freshwater leech Helobdella stagnalis (Rhyncobdellida: Glossiphoniidae) as a parasite of an anuran amphibian

open access: yesActa Herpetologica, 2010
The authors describe the first case of parasitism on anuran amphibian, Rana temporaria, by the freshwater leech Helobdella stagnalis, in a mountainous area of northwestern Italy.
Rocco Tiberti, Augusto Gentilli
doaj   +1 more source

First record of the introduced freshwater leech Helobdella europaea Kutschera 1987 in Portugal

open access: yesArxius de Miscel-lània Zoològica, 2022
Primer registre de la sangonera exòtica d'aigua dolça Helobdella europaea Kutschera 1987 a Portugal (Hirudinea, Glossiphoniidae) S'ha comunicat la propagació recent d'espècies de sangoneres exòtiques a tot Europa i encara hi ha una gran llacuna pel que ...
S. Ferreira   +4 more
doaj   +1 more source

Diversidad y biomasa de macroinvertebrados asociados acuatro tipos de sustratos en la laguna La Virginia, páramo Sumapaz, Colombia

open access: yesBiota Colombiana, 2016
mporal de la biomasa y la abundancia con base en tres períodos hidrológicos. Se colectaron 2.957 individuos (17 géneros, 11 órdenes). Helobdella fue el taxón dominante aportando 90 % a la biomasa total de la comunidad, seguido de Hyalella, Tanytarsus y ...
Sandra Gómez   +2 more
doaj   +3 more sources

First Record of Epibiont Ciliates (Ciliophora: Suctoria) Associated with Helobdella adiastola Ringuelet, 1972 (Hirudinea: Glossiphoniidae) in Brazil [PDF]

open access: yesBrazilian Archives of Biology and Technology
Epibiosis is an interaction between two organisms, and it can be a relationship with both positive and negative effects. Protozoa of the subclass Suctoria are common epibionts in freshwater environments.
Lucas Duarte de Lima   +1 more
doaj   +1 more source

Una especie nueva de sanguijuela del género Helobdella (Hirudinea, Glossiphoniidae) de San Carlos de Bariloche, Río Negro, Argentina

open access: yesRevista Mexicana de Biodiversidad, 2009
SE DESCRIBE UNA ESPECIE DE SANGUIJUELA DULCEACUÍCOLA HELOBDELLA FANTASMAE N. SP. ESTA DESCRIPCIÓN SE BASA EN EL EXAMEN DE 12 EJEMPLARES RECOLECTADOS EN LA LAGUNA FANTASMA, BARILOCHE (41° 05´S 71° 28´O) DURANTE DICIEMBRE DE 2002.
BETTINA S. GULLO
doaj   +1 more source

The genome of medicinal leech (Whitmania pigra) and comparative genomic study for exploration of bioactive ingredients

open access: yesBMC Genomics, 2022
Background Leeches are classic annelids that have a huge diversity and are closely related to people, especially medicinal leeches. Medicinal leeches have been widely utilized in medicine based on the pharmacological activities of their bioactive ...
Lei Tong   +9 more
doaj   +1 more source

Head transcriptome profiling of glossiphoniid leech (Helobdella austinensis) reveals clues about proboscis development

open access: yesOpen Biology, 2022
Cephalization refers to the evolutionary trend towards the concentration of neural tissues, sensory organs, mouth and associated structures at the front end of bilaterian animals. Comprehensive studies on gene expression related to the anterior formation
Hee-Jin Kwak   +6 more
doaj   +1 more source

Biodiversity of parasites found in the trahira, Hoplias malabaricus (Bloch, 1794), collected in the Batalha River, Tietê-Batalha drainage basin, SP, Brazil [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
Eighty-one Hoplias malabaricus specimens were collected between February 2014 and June 2016. A total of 29 species of metazoan parasites were found, 13 of which were identified as monogeneans, seven were digenean species, seven of which were nematodes ...
THAYANA GIÃO   +3 more
doaj   +1 more source

Fauna de parasitos metazoários de Pimelodus maculatus La Cépède, 1803 (Siluriformes, Pimelodidae) do rio Guandu, Estado do Rio de Janeiro, Brasil - DOI: 10.4025/actascibiolsci.v29i1.130

open access: yesActa Scientiarum: Biological Sciences, 2007
Sessenta espéimes de Pimelodus maculatus provenientes do rio Guandu, Estado do Rio de janeiro, foram examinados para estudo de sua parasitofauna, no perído de agosto de 1999 a fevereiro de 2001.
Michelle Daniele dos Santos   +2 more
doaj   +1 more source

Qualitative and quantitative study of parasites of Pimelodus maculatus and Rhamdia quelen from the Jacaré-Pepira River, state of São Paulo, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2021
In the freshwater ecosystems of Brazil can be found high biodiversity of fish, about 5160 species. However, the Jacaré-Pepira River, located in the state of São Paulo, Brazil, presents a diversity of fish still to be explored in ichthyological studies ...
DÉBORA C. NEGRELLI   +3 more
doaj   +1 more source

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