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Occurrence of Amblyomma dissimile on wild crocodylians in southern Mexico

Charruau, Pierre Alexandre Rémy Robert | Pérez Flores, Jonathan Sechaly [autor/a] | Cedeño-Vázquez, J.R [autor/a] | González Solís, David [autor/a] | González Desales, Giovany A [autor/a] | Monroy Vilchis, Octavio [autor/a] | Desales Lara, Marco A [autor/a].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Amblyomma dissimile | Garrapatas | Parasitismo | Cocodrilos | Crocodylus acutus | Caiman crocodilusTema(s) en inglés: Amblyomma dissimile | Ticks | Parasitism | Crocodiles | Crocodylus acutus | Caiman crocodilusDescriptor(es) geográficos: Parque Ecológico Punta Sur, Isla Cozumel (Quintana Roo, México) | Reserva de la Biosfera La Encrucijada (Chiapas, México) Nota de acceso: Acceso en línea sin restricciones En: Diseases of Aquatic Organisms. volumen 121, número 2 (September 2016), páginas 167-171. --ISSN: 1616-1580Número de sistema: 9374Resumen:
Inglés

Ticks are common ectoparasites of amphibians and reptiles but very few reports of such parasites on crocodylians exist worldwide. Herein, we report the first detailed observations of Amblyomma dissimile Koch, 1844 on the 3 crocodylian species present in Mexico, with the first report of tick parasitism on Crocodylus acutus and the second on Caiman crocodilus chiapasius. This is also the first report of A. dissimile in the state of Quintana Roo. Proportions of infested individuals found in this study ranged from 0.51 to 1.96%, suggesting that tick parasitism in crocodylians is likely opportunistic and occurs when individuals leave the water for terrestrial activities. Tick parasitism does not represent a major threat to crocodylians. The increasing habitat destruction/fragmentation and cattle expansion in southeastern Mexico, however, could increase tick populations and trigger tick parasitism and tick-borne diseases in herpetofauna and other vertebrates, including humans. Thus, studies are needed to better understand these relationships.
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Acceso en línea sin restricciones

Ticks are common ectoparasites of amphibians and reptiles but very few reports of such parasites on crocodylians exist worldwide. Herein, we report the first detailed observations of Amblyomma dissimile Koch, 1844 on the 3 crocodylian species present in Mexico, with the first report of tick parasitism on Crocodylus acutus and the second on Caiman crocodilus chiapasius. This is also the first report of A. dissimile in the state of Quintana Roo. Proportions of infested individuals found in this study ranged from 0.51 to 1.96%, suggesting that tick parasitism in crocodylians is likely opportunistic and occurs when individuals leave the water for terrestrial activities. Tick parasitism does not represent a major threat to crocodylians. The increasing habitat destruction/fragmentation and cattle expansion in southeastern Mexico, however, could increase tick populations and trigger tick parasitism and tick-borne diseases in herpetofauna and other vertebrates, including humans. Thus, studies are needed to better understand these relationships. eng

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