Browsing by Autor "Audric Berger"

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First concrete documentation for presence of <i>Aedes (Stegomyia) albopictus</i> in Bolivia: Dispelling previous anecdotes
(2024) Frédéric Lardeux; Philippe Boussès; Rosenka Tejerina; Audric Berger; Christian Barnabé; Lineth García
Abstract Background The presence of Aedes albopictus in Bolivia has been a subject of controversy, lacking concrete documentation until now. Objectives This study aimed to furnish evidence of Ae. albopictus presence in Bolivia. Methods Larval breeding sites were sampled in two northern Bolivian localities, Rosario del Yata and San Agustin, both situated in the Beni department within the Vaca Diez province and Guayaramerin Municipio, approximately 10 km apart. Mosquito larvae collected underwent rearing to L4 and adult stages for morphological identification, with some specimens sequenced for confirmation. Findings Ae. albopictus was identified in multiple breeding sites in both localities, confirming its establishment in the area. This marks the first concrete documentation of the species in Bolivia. The collections (larvae and adults) have been deposited in the Medical Entomology Laboratory of the Universidad Mayor de San Simón in Cochabamba, Bolivia, and the Laboratory of Entomology of the Instituto Nacional de Laboratorios de Salud of the Ministry of Health in La Paz, Bolivia. Main conclusion Acknowledging its role as a vector for arboviruses like dengue and Chikungunya, Ae. albopictus should be incorporated into the Bolivian National Program of Vector Control for monitoring.
First concrete documentation for presence of Aedes (Stegomyia) albopictus in Bolivia: dispelling previous anecdotes
(Instituto Oswaldo Cruz, Ministério da Saúde, 2024) Frédéric Lardeux; Philippe Boussès; Rosenka Tejerina; Audric Berger; Christian Barnabé; Lineth García
Given its role as a vector for arboviruses such as dengue and Chikungunya, Ae. albopictus should be incorporated into the Bolivian National Programme of Vector Control for monitoring.
<i>Culex (Culex) acharistus,</i> Root, 1927 (Diptera: Culicidae), a new record for Bolivia
(2025) Frédéric Lardeux; Philippe Boussès; Carolina Quezada; Audric Berger; Rosenka Lardeux; Claudia Aliaga; Libia Torrez
Abstract This study reports the first confirmed records of Culex (Culex) acharistus, Root, 1927 in Bolivia, based on both morphological examination and biomolecular identification using the cytochrome c oxidase subunit I (COI) marker. Specimens were collected in four localities representing diverse environmental settings: La Paz (urban environment, ≍3600 m), the nearby high-altitude city of El Alto (≍4000 m), Cochabamba (semi-rural and urban habitats, ≍2600 m), and Licoma a large village in the Yungas region (subtropical environment, ≍1900 m). The larval habitats where the species was found closely match those reported in neighboring countries where Cx. acharistus also occurs, ranging from typical small peridomestic sites to ponds, ditches, and river seepages in semi-rural areas. All identification methods yielded unambiguous results, confirming the species’ presence in Bolivia and extending its known distribution in South America. This finding highlights the importance of integrating morphological and molecular approaches to achieve accurate and reliable mosquito species identification.