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High prevalence of chigger mite infection in a forest-specialist frog with evidence of parasite-related granulomatous myositis

Alvarado-Rybak, M; Valenzuela-Sánchez, A; Cevidanes, A; Peñafiel-Ricaurte, A; Uribe-Rivera, D; Cunningham, AA; Soto-Azat, C; (2018) High prevalence of chigger mite infection in a forest-specialist frog with evidence of parasite-related granulomatous myositis. Parasitology Research , 117 (5) pp. 1643-1646. 10.1007/s00436-018-5822-x. Green open access

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Abstract

Amphibians are hosts for a wide variety of micro- and macro-parasites. Chigger mites from the Hannemania genus are known to infect a wide variety of amphibian species across the Americas. In Chile, three species (H. pattoni, H. gonzaleacunae and H. ortizi) have been described infecting native anurans; however, neither impacts nor the microscopic lesions associated with these parasites have been described. Here, we document 70% prevalence of chigger mite infection in Eupsophus roseus and absence of infection in Rhinoderma darwinii in the Nahuelbuta Range, Chile. Additionally, we describe the macroscopic and microscopic lesions produced by H. ortizi in one of these species, documenting previously undescribed lesions (granulomatous myositis) within the host’s musculature. These findings highlight that further research to better understand the impacts of chigger mite infection on amphibians is urgently required in Chile and elsewhere.

Type: Article
Title: High prevalence of chigger mite infection in a forest-specialist frog with evidence of parasite-related granulomatous myositis
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s00436-018-5822-x
Publisher version: http://doi.org/10.1007/s00436-018-5822-x
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Darwin’s frog, Eupsophus roseus, Hannemania, Intramuscular cyst, Rosy ground frog
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: https://discovery.ucl.ac.uk/id/eprint/10044272
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