# First records of Amblyomma geayi and Amblyomma varium (Ixodida: Ixodidae) parasitizing sloths in Nicaragua

**Authors:** Juan J. Oporta-López, Carlos Eduardo Molina Vargas, Carmen Guzmán-Cornejo, Adriana Troyo, Filipe Dantas-Torres

PMC · DOI: 10.1007/s10493-025-01032-8 · Experimental & Applied Acarology · 2025-05-28

## TL;DR

This paper reports the first records of two tick species, Amblyomma geayi and Amblyomma varium, parasitizing sloths in Nicaragua.

## Contribution

The study provides the first documented evidence of Amblyomma ticks associated with sloths in Nicaragua.

## Key findings

- Amblyomma geayi and Amblyomma varium were collected from sloths in Nicaragua for the first time.
- The tick species were found on two sloth species: Bradypus variegatus and Choloepus hoffmanni.
- The number of Amblyomma tick species in Nicaragua increases to 15 with these new records.

## Abstract

Ticks of the genus Amblyomma parasitize a wide variety of terrestrial vertebrate hosts, including humans. In Nicaragua, 14 species of ticks of the genus Amblyomma have been recorded. To our knowledge, no published records of ticks on sloths exist. However, A. varium, which parasitizes these hosts, was reported without an associated host. During 2023 and 2024, five sloths of two species (Bradypus variegatus and Choloepus hoffmanni) were rescued from four localities belonging to three Departments of Nicaragua. Two species of ticks were collected from the sloths, Amblyomma geayi and Amblyomma varium. Both records of ticks represent the first for Nicaragua in association with sloths. In this way, the richness of ticks of the genus Amblyomma in Nicaragua increases to 15 species.

## Linked entities

- **Species:** Bradypus variegatus (taxon 9355), Choloepus hoffmanni (taxon 9358)

## Full-text entities

- **Species:** Choloepus hoffmanni (Hoffmann's two-fingered sloth, species) [taxon 9358], Ixodida (ticks, order) [taxon 6935], Amblyomma geayi (species) [taxon 251383], Amblyomma varium (species) [taxon 251401], Homo sapiens (human, species) [taxon 9606], Bradypus variegatus (Brown-throated sloth, species) [taxon 9355]

## Full text

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## Figures

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## References

1 references — full list in the complete paper: https://tomesphere.com/paper/PMC12119726/full.md

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Source: https://tomesphere.com/paper/PMC12119726