AI Article Synopsis
- * A study in Japan identified tongue worm infections in a Wahlberg's velvet gecko and a green tree python, revealing Raillietiella sp. and Armillifer sp. as the infecting species.
- * The research highlights the first detection of live tongue worms in domestic reptiles in Japan, emphasizes the importance of diagnosing and treating infected pets, and confirms that oral ivermectin treatment is effective without side effects.
Article Abstract
Tongue worms (Subclass: Pentastomida) are endoparasites found in carnivorous reptiles, fish, amphibians, birds, and mammals. Several pentastomids cause pentastomiasis, a zoonotic disease. We encountered tongue worm infection in two reptiles imported into Japan: a Wahlberg's velvet gecko (Homopholis wahlbergii) bred in Germany and a wild-caught green tree python (Morelia viridis) from the Republic of Indonesia. The infecting tongue worms were identified as Raillietiella sp. and Armillifer sp. in the gecko and python, respectively, based on morphological and molecular analyses. Gecko is a newly recorded definitive host harboring Raillietiella tongue worm. Live tongue worms were first detected in domestic reptiles in Japan, and this indicates a risk that these tongue worms could be spread to other animals, as well as humans. Therefore, the diagnosis and treatment of infected pets are of importance. In the case of the two infected reptiles, the availability of fecal egg examination for diagnosis was shown. In addition, the effectiveness of treatment with 200 μg/kg/day ivermectin orally once weekly was demonstrated, without no side-effects and no re-detection of eggs after the cessation of treatment.
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| http://dx.doi.org/10.1016/j.parint.2022.102617 | DOI Listing |
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Article Synopsis
- Pentastomida are lung parasites primarily found in reptiles, with the genus Raillietiella having the most species but still mostly identified through physical traits.
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- This study used molecular analysis to show that what seems like morphological differences in Raillietiella mottae is actually a phenotypic variation linked to the host species, with female size and hook shape varying based on whether the lizards are nocturnal or diurnal.
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