&lt;p&gt;&lt;strong&gt;New records of amphibians parasitized by chiggers in Los Tuxtlas Biosphere Reserve, Mexico, and taxonomic notes on &lt;em&gt;Hannemania mexicana&lt;/em&gt; (Acariformes: Prostigmata: Leeuwenhoekiidae) &lt;/strong&gt;&lt;/p&gt;

Jacinto-Maldonado, Mónica; Paredes-León, Ricardo; Salgado‐Maldonado, Guillermo; García, Andrés; Suzán, Gerardo

doi:10.11158/saa.21.1.2

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…The results found for Boana pulchella, regarding the level of infestation of Hannemania sp. through the parasitological parameters, differ from other studies, since they usually present higher infestation levels than those of B. pulchella despite similar samplings (Attademo et al, 2012;Díaz-Páez et al, 2016;Espino-del Castillo et al, 2011;Hatano et al, 2007;Jacinto-Maldonado et al, 2016). In Brazil, Hatano et al (2007) studied 49 specimens of Hylodes phyllodes Heyer & Cocroft, 1986 (Hylodidae) and found a prevalence of 87.7% of the sample parasitized by Hannemania sp., with a mean intensity of infestation of 48.2 mites/host.…”

Section: Discussionmentioning

confidence: 82%

Occurrence of Hannemania sp. (Acariformes: Leeuwenhoekiidae) larvae in males of Boana pulchella (Anura: Hylidae) from southern Brazil

Costa-Silveira¹,

Silveira-Mascarenhas²,

Loebmann³

2019

Rev.Mex.Biodiv.

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This work records for the first time Boana pulchella as host of larvae of mites of the genus Hannemania in a humid area from southern Brazil. Species of Hannemania are commonly found parasitizing amphibians, being recorded mainly in anurans in the American continent. Although B. pulchella is abundant in southern Brazil, there are no records of parasitism by Hannemania sp. in this species of anuran. In this context, 50 specimens of B. pulchella were examined for the collection of endoparasitic mites, recording for the first time larvae of Hannemania sp. parasitizing this host. ResumenEl propósito de este trabajo es registrar por primera vez a Boana pulchella como huésped de larvas de ácaros del género Hannemania en un área húmeda en el sur de Brasil. Las especies de Hannemania son encontradas comúnmente parasitando anfibios, siendo registradas principalmente en anuros en el continente americano. Aunque B. pulchella es abundante en el sur de Brasil, no hay registros del parasitismo por Hannemania sp. en esta especie de anuro. En este contexto, 50 ejemplares de B. pulchella fueron examinados para recolectar endoparásitos, registrando por primera vez larvas de Hannemania sp. en este hospedero.

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Section: Discussionmentioning

confidence: 82%

Occurrence of Hannemania sp. (Acariformes: Leeuwenhoekiidae) larvae in males of Boana pulchella (Anura: Hylidae) from southern Brazil

Costa-Silveira¹,

Silveira-Mascarenhas²,

Loebmann³

2019

Rev.Mex.Biodiv.

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“…Chigger mites of the genus Hannemania Oudemans, 1911 (Acariformes: Prostigmata: Leeuwenhoekiidae) are temporary and highly specialized endoparasites of frogs, toads and salamanders (Amphibia). To date, 27 species are recognized, almost all from United States to Argentina, and only one from New Caledonia (Jacinto-Maldonado et al 2016, Silva-de la Fuente et al 2016. Chiggers are parasites only in larval stage and the taxonomy of this genus is entirely based on characteristics of this instar.…”

Section: Introductionmentioning

confidence: 99%

A redescription of the chigger Hannemania achalai Alzuet and Mauri, 1987 (Acariformes: Prostigmata: Leeuwenhoekiidae) in frogs from Sierra Grande, Cordoba, Argentina

et al. 2018

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We redescribe the endoparasitic chigger Hannemania achalai based on specimens collected from the type frog host (Pleurodema kriegi) and an additional host (P. cordobae) in the type locality of this mite (Pampa de Achala, Córdoba province, Argentina). Hannemania achalai is diagnosed by the following characters: palpal setal formula B/B/BBB/5B, palpal claw trifurcate, galeal seta B, parasubterminala I N, 2–4 genualae I, 1 genuala II–III, femorala III absent and coxa III with 1B. This redescription is accompanied by micrographs with scanning electronic microscopy and drawings.

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Batrachochytrium dendrobatidis and Hannemania mite’s relationships with Mexican amphibians in disturbed environments

Jacinto-Maldonado,

Lesbarrères,

Rebollar

et al. 2024

Front. Amphib. Reptile Sci.

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The rapid transformation and pollution of ecosystems have severely impacted biodiversity. Specifically, anthropogenic activities have imposed adverse effects on amphibians, with evidence suggesting that these activities alter parasite and pathogen interactions within their hosts. To investigate these interactions in areas affected by different anthropogenic activities, our study focused on analyzing a pathogen and a parasite known to interact within the amphibian skin (spongy epidermis layer) and both compromising amphibian health: Batrachochytrium dendrobatidis (Bd), a fungus responsible for chytridiomycosis, a disease associated with massive population declines in amphibians and the Hannemania sp. mite in Mexico. Four sampling areas along the Sonora River were selected, representing different human activities: mining, livestock, wastewater discharge, agriculture, and one in an urban zone. We analyzed 135 amphibians across 10 anuran species. Among these, the most abundant species (Lithobates yavapaiensis) exhibited the highest prevalence of both pathogen and parasite (90.1% and 27.3%, respectively) and was significantly associated with the intensity of Bd-infection. The prevalence of Hannemania mites varied significantly across sampling sites as did Bd prevalence and infection load, with the highest Bd load found at the wastewater discharge site. A significant association between the intensity of Bd-infection and both mite abundance and amphibian species was observed when the sampling site was considered. Additionally, sites with Bd-positive individuals and Hannemania parasitism coincide with refractory elements characterized by mechanical or corrosion resistance. The persistence of these elements in the environment, along with the small particle size (<850 nm) found in sediments, poses a potential risk of internalization, bioaccumulation (e.g., Fe, Co, and Ti), and their transfer through the food chain. It is thus essential to consider monitoring environmental and biotic factors that modulate the relationships between parasites, pathogens, and amphibians if we are to propose conservation strategies adapted to disturbed environments.

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<p><strong>New records of amphibians parasitized by chiggers in Los Tuxtlas Biosphere Reserve, Mexico, and taxonomic notes on <em>Hannemania mexicana</em> (Acariformes: Prostigmata: Leeuwenhoekiidae) </strong></p>

Cited by 4 publications

References 19 publications

Occurrence of Hannemania sp. (Acariformes: Leeuwenhoekiidae) larvae in males of Boana pulchella (Anura: Hylidae) from southern Brazil

Occurrence of Hannemania sp. (Acariformes: Leeuwenhoekiidae) larvae in males of Boana pulchella (Anura: Hylidae) from southern Brazil

A redescription of the chigger Hannemania achalai Alzuet and Mauri, 1987 (Acariformes: Prostigmata: Leeuwenhoekiidae) in frogs from Sierra Grande, Cordoba, Argentina

Batrachochytrium dendrobatidis and Hannemania mite’s relationships with Mexican amphibians in disturbed environments

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