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

Mario Alvarado-Rybak, Andrés Valenzuela-Sánchez, Aitor Cevidanes, Alexandra Peñafiel-Ricaurte, David E. Uribe-Rivera, Edgardo Flores, Andrew A. Cunningham, Claudio Soto-Azat

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)1643-1646
Number of pages4
JournalParasitology Research
Volume117
Issue number5
DOIs
Publication statusPublished - May 2018

Keywords

  • Darwin's frog
  • Eupsophus roseus
  • Hannemania
  • Intramuscular cyst
  • Rosy ground frog

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