Trophic analysis and parasitological aspects of liolaemus parvus (Iguania: Liolaemidae) in the central andes of Argentina

The objective of this study was to describe temporal variations in the diet and parasitological aspects in Liolaemus parvus. In order to examine the diet, we determined the volume, numerousness, and frequency of occurrence for each prey item and calculated the relative importance index. We removed n...

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Detalles Bibliográficos
Autores: Castillo, Gabriel Natalio, Acosta, Juan Carlos, Blanco, Graciela Mirta
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/150545
Acceso en línea:http://hdl.handle.net/11336/150545
Access Level:acceso abierto
Palabra clave:DIET
ENDOPARASITES
FORAGING STRATEGY
HELMINTH
PARAPHARYNGODON RIOJENSIS
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
Descripción
Sumario:The objective of this study was to describe temporal variations in the diet and parasitological aspects in Liolaemus parvus. In order to examine the diet, we determined the volume, numerousness, and frequency of occurrence for each prey item and calculated the relative importance index. We removed nematodes from the stomach and estimated parasitic indicators. Liolaemus parvus presents an active searching mode. It is a predominantly insectivorous species with low intake of plant material and a specialist in feeding on prey items of the family Formicidae, although it also feeds on other arthropods like coleopterans, hemipterans, and spiders. We found temporal variations in its diet. The first record of Parapharyngodon riojensis nematodes is reported herein. Males showed higher nematode prevalence than females. We have expanded the number of host species and the distribution range of Parapharyngodon riojensis. The information provided about trophic ecology and parasitism is the first contribution to this lizard species’ biology.