Haematoloechus carbonelli sp. n. (Haematoloechidae: Plagiorchiata) un nouveau Trématode parasite d'Amphibiens de la Péninsule ibérique

Serrá, Juan Antonio Monsoriu; Navarro, Pilar Chías; Perez-Soler, P.

doi:10.5962/bhl.part.79789

Cited by 6 publications

(1 citation statement)

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“…Carriers and dead specimens were detected in both newts and salamanders, and several measures have been applied since then to prevent the spread of this pathogen [57]. In Spain, several helminths have been detected in this urodele, including the acantocephalan Acanthocephalus anthuris (Dujardin, 1845) (Echinorhynchidae) [13]; the digenean trematodes Brachycoelium salamandrae (Fröelich, 1789) (Brachycoeliidae) [58] and Haematoloechus carbonelli (Lluch, Navarro, and Pérez-Soler, 1991) (Haematoloechinae) [59]; and the nematodes Dorylaimus parasiticus (Navarro, Guerrero, Pérez-Mellado, and Lluch, 1995) (Dorylaimidae) [60], Rhabdias bufonis (Schrank, 1788) (Rhabdiasidae) [11], and Oxysomatium brevicaudatum (Schneider 1866) (Cosmocercidae) [58]. Recently, a novel disease with an unknown etiological agent (probably a protist-like organism) has been described in salamanders from Italy [61].…”

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confidence: 99%

New Data on the Larval Stages of Leptophallus nigrovenosus (Digenea, Plagiorchiata)

Poonlaphdecha,

Ribas,

Martínez-Silvestre

et al. 2024

Animals

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(1) Background: Leptophallus nigrovenosus, an esophageal parasite that primarily affects water snakes of the genus Natrix, has a known life cycle that involves snail and amphibian hosts. However, the biological aspects, chaetotaxic patterns, and pathogeny of this parasite in its hosts have not been fully elucidated. (2) Methods: Snails (Planorbarius metidjensis) were collected in Spain and examined for cercaria emergence. The larvae were used to experimentally infect Salamandra salamandra, and metacercariae were isolated. Their chaetotaxy was studied using microscopy and scanning electron microscopy. The eye histology was also examined. (3) Results: The cercariae displayed distinctive morphological characteristics. The results of this study revealed three types of ciliated sensory papillae on the cercarial teguments, suggesting an adaptation for host detection and orientation. The metacercariae isolated from subcutaneous tissues showed oval bodies covered in spines. The chaetotaxy patterns matched those of Leptophallinae species. This is the first report of the presence of L. nigrovenosus in the snail P. metidjensis. Additionally, this study detected metacercariae in the eyes of S. salamandra, emphasizing the need for further research on trematode infections in amphibian eyes. (4) Conclusions: Members of the genus Salamandra can serve as secondary intermediate hosts for L. nigrovenosus, and the presence of metacercariae in amphibian eyes may have implications for the survival and habitat management of these amphibians. Understanding this parasite’s prevalence, transmission dynamics, and impacts on host populations is crucial for conservation strategies.

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