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Peer-reviewedCC BY-NCVirus research

First evidence of Tahyna virus in Central Italy and seasonal dynamics of its putative vector, Aedes caspius.

  • Federico Romiti1
  • Silvia Tofani1
  • Antonella Cersini1
  • Irene Del Lesto2
  • Maria Teresa Scicluna1
  • Gaetana Anita Marcario1
  • Davide La Rocca1
  • Silvia Rondón1
  • Adele Magliano1
  • Claudio De Liberato1
  1. 1Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Rome, Italy.
  2. 2Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Rome, Italy. Electronic address: [email protected].
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Abstract

Tahyna virus (TAHV) is a neglected mosquito-borne Orthobunyavirus pathogenic to humans. In Italy, TAHV was first recorded in Friuli Venezia-Giulia and then repeatedly in Emilia Romagna Region (Northern Italy). This study was set up to verify the presence of TAHV in Central Italy and to identify its potential vectors. Mosquito surveillance was conducted from April to November 2025, using 78 CDCCO₂ traps across Latium and Tuscany Regions. A total of 17,728 Culicidae was captured, including 9237 specimens of four potential vector Aedes species (Aedes albopictus, Aedes caspius, Aedes detritus, and Aedes vexans). Aedes caspius was the dominant species, showing a marked abundance peak from late-summer to early-autumn. Additionally, a high density of Ae. vexans, a primary TAHV vector species in Europe, was recorded in Arezzo province, Eastern Tuscany. A total of 356 pools of the Aedes species, made up of 6600 specimens, was screened for TAHV by real-time and conventional PCR. TAHV was detected in one pool of Ae. caspius collected in Grosseto province, Southern Tuscany. This study provides the first report of TAHV in Central Italy, identifying the southernmost detection in the Country to date.

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Cite

BibTeXRIS
BibTeX
@article{romiti2026first,
  title = {{First evidence of Tahyna virus in Central Italy and seasonal dynamics of its putative vector, Aedes caspius.}},
  author = {Federico Romiti and Silvia Tofani and Antonella Cersini and Irene Del Lesto and Maria Teresa Scicluna and Gaetana Anita Marcario and Davide La Rocca and Silvia Rondón and Adele Magliano and Claudio De Liberato},
  journal = {Virus research},
  year = {2026},
  month = oct,
  doi = {10.1016/j.virusres.2026.199815},
  url = {https://europepmc.org/article/MED/42833309},
  note = {CC BY-NC},
}
RIS
TY  - JOUR
TI  - First evidence of Tahyna virus in Central Italy and seasonal dynamics of its putative vector, Aedes caspius.
AU  - Federico Romiti
AU  - Silvia Tofani
AU  - Antonella Cersini
AU  - Irene Del Lesto
AU  - Maria Teresa Scicluna
AU  - Gaetana Anita Marcario
AU  - Davide La Rocca
AU  - Silvia Rondón
AU  - Adele Magliano
AU  - Claudio De Liberato
PY  - 2026
DA  - 2026/10/05
JO  - Virus research
DO  - 10.1016/j.virusres.2026.199815
UR  - https://europepmc.org/article/MED/42833309
AB  - Tahyna virus (TAHV) is a neglected mosquito-borne Orthobunyavirus pathogenic to humans. In Italy, TAHV was first recorded in Friuli Venezia-Giulia and then repeatedly in Emilia Romagna Region (Northern Italy). This study was set up to verify the presence of TAHV in Central Italy and to identify its potential vectors. Mosquito surveillance was conducted from April to November 2025, using 78 CDCCO₂ traps across Latium and Tuscany Regions. A total of 17,728 Culicidae was captured, including 9237 specimens of four potential vector Aedes species (Aedes albopictus, Aedes caspius, Aedes detritus, and Aedes vexans). Aedes caspius was the dominant species, showing a marked abundance peak from late-summer to early-autumn. Additionally, a high density of Ae. vexans, a primary TAHV vector species in Europe, was recorded in Arezzo province, Eastern Tuscany. A total of 356 pools of the Aedes species, made up of 6600 specimens, was screened for TAHV by real-time and conventional PCR. TAHV was detected in one pool of Ae. caspius collected in Grosseto province, Southern Tuscany. This study provides the first report of TAHV in Central Italy, identifying the southernmost detection in the Country to date.
SN  - 0168-1702
SN  - 1872-7492
ER  -