The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina
Pseudosellacotyla lutzi (Freitas, 1941), at present included in the Faustulidae, is redescribed, and its life cycle was resolved experimentally. The prosobranch snail Aylacostoma chloroticum Hylton Scott (Thiaridae), collected in the Yacyretá Dam, Province of Misiones, Argentina, was found naturally...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v100_n6_p805_Quintana http://hdl.handle.net/20.500.12110/paper_00223395_v100_n6_p805_Quintana |
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paper:paper_00223395_v100_n6_p805_Quintana2023-06-08T14:49:52Z The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina adult dam disease incidence infectivity larva life cycle new species pest species pigment Acanthocephala Argentina Article Aylacostoma chloroticum body build body height cercaria Cercaria (genus) Characiformes Gymnocorymbus ternetzi Hoplias malabaricus intermediate host metacercaria nonhuman Pseudosellacotyla lutzi snail spermatheca sporocyst taxonomy trematode life cycle stage anatomy and histology animal Characiformes growth, development and aging life cycle stage parasitology snail trematode Argentina Yacyreta Reservoir Characiformes Cryptogonimidae Erythrinidae Faustulidae Gastropoda Gymnocorymbus ternetzi Hoplias malabaricus Poeciliidae Prosobranchia Thiaridae Animals Argentina Cercaria Characiformes Life Cycle Stages Metacercariae Snails Trematoda Pseudosellacotyla lutzi (Freitas, 1941), at present included in the Faustulidae, is redescribed, and its life cycle was resolved experimentally. The prosobranch snail Aylacostoma chloroticum Hylton Scott (Thiaridae), collected in the Yacyretá Dam, Province of Misiones, Argentina, was found naturally infected with cercariae that lacked pigmented eyespots, and possessed 7 pairs of penetration glands, 8 pairs of flame cells, and a V-shaped excretory vesicle. The cercariae developed in oval cysts, which were found on fin rays, vertebrae, and spines of poeciliid and tetragonopterid fish species. Adults were obtained experimentally from Hoplias malabaricus (Erythrinidae) infected with metacercariae from albino Gymnocorymbus ternetzi (Tetragonopteridae), which had been exposed to emerging cercariae. Adults were also found in naturally infected H. malabaricus collected in the Yacyretá Dam. The morphology of the cercariae, and the characteristics of the life cycle show that P. lutzi should be included in the Cryptogonimidae. © 2014 American Society of Parasitologists. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v100_n6_p805_Quintana http://hdl.handle.net/20.500.12110/paper_00223395_v100_n6_p805_Quintana |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
adult dam disease incidence infectivity larva life cycle new species pest species pigment Acanthocephala Argentina Article Aylacostoma chloroticum body build body height cercaria Cercaria (genus) Characiformes Gymnocorymbus ternetzi Hoplias malabaricus intermediate host metacercaria nonhuman Pseudosellacotyla lutzi snail spermatheca sporocyst taxonomy trematode life cycle stage anatomy and histology animal Characiformes growth, development and aging life cycle stage parasitology snail trematode Argentina Yacyreta Reservoir Characiformes Cryptogonimidae Erythrinidae Faustulidae Gastropoda Gymnocorymbus ternetzi Hoplias malabaricus Poeciliidae Prosobranchia Thiaridae Animals Argentina Cercaria Characiformes Life Cycle Stages Metacercariae Snails Trematoda |
spellingShingle |
adult dam disease incidence infectivity larva life cycle new species pest species pigment Acanthocephala Argentina Article Aylacostoma chloroticum body build body height cercaria Cercaria (genus) Characiformes Gymnocorymbus ternetzi Hoplias malabaricus intermediate host metacercaria nonhuman Pseudosellacotyla lutzi snail spermatheca sporocyst taxonomy trematode life cycle stage anatomy and histology animal Characiformes growth, development and aging life cycle stage parasitology snail trematode Argentina Yacyreta Reservoir Characiformes Cryptogonimidae Erythrinidae Faustulidae Gastropoda Gymnocorymbus ternetzi Hoplias malabaricus Poeciliidae Prosobranchia Thiaridae Animals Argentina Cercaria Characiformes Life Cycle Stages Metacercariae Snails Trematoda The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
topic_facet |
adult dam disease incidence infectivity larva life cycle new species pest species pigment Acanthocephala Argentina Article Aylacostoma chloroticum body build body height cercaria Cercaria (genus) Characiformes Gymnocorymbus ternetzi Hoplias malabaricus intermediate host metacercaria nonhuman Pseudosellacotyla lutzi snail spermatheca sporocyst taxonomy trematode life cycle stage anatomy and histology animal Characiformes growth, development and aging life cycle stage parasitology snail trematode Argentina Yacyreta Reservoir Characiformes Cryptogonimidae Erythrinidae Faustulidae Gastropoda Gymnocorymbus ternetzi Hoplias malabaricus Poeciliidae Prosobranchia Thiaridae Animals Argentina Cercaria Characiformes Life Cycle Stages Metacercariae Snails Trematoda |
description |
Pseudosellacotyla lutzi (Freitas, 1941), at present included in the Faustulidae, is redescribed, and its life cycle was resolved experimentally. The prosobranch snail Aylacostoma chloroticum Hylton Scott (Thiaridae), collected in the Yacyretá Dam, Province of Misiones, Argentina, was found naturally infected with cercariae that lacked pigmented eyespots, and possessed 7 pairs of penetration glands, 8 pairs of flame cells, and a V-shaped excretory vesicle. The cercariae developed in oval cysts, which were found on fin rays, vertebrae, and spines of poeciliid and tetragonopterid fish species. Adults were obtained experimentally from Hoplias malabaricus (Erythrinidae) infected with metacercariae from albino Gymnocorymbus ternetzi (Tetragonopteridae), which had been exposed to emerging cercariae. Adults were also found in naturally infected H. malabaricus collected in the Yacyretá Dam. The morphology of the cercariae, and the characteristics of the life cycle show that P. lutzi should be included in the Cryptogonimidae. © 2014 American Society of Parasitologists. |
title |
The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
title_short |
The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
title_full |
The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
title_fullStr |
The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
title_full_unstemmed |
The life cycle of pseudosellacotyla lutzi (Digenea: Cryptogonimidae), in aylacostoma chloroticum (Prosobranchia: Thiaridae), and Hoplias malabaricus (Characiformes: Erythrinidae), in Argentina |
title_sort |
life cycle of pseudosellacotyla lutzi (digenea: cryptogonimidae), in aylacostoma chloroticum (prosobranchia: thiaridae), and hoplias malabaricus (characiformes: erythrinidae), in argentina |
publishDate |
2014 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v100_n6_p805_Quintana http://hdl.handle.net/20.500.12110/paper_00223395_v100_n6_p805_Quintana |
_version_ |
1768541551626027008 |