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Article Dans Une Revue Scientific Reports Année : 2023

Wing Interferential Patterns (WIPs) and machine learning for the classification of some Aedes species of medical interest

Résumé

Abstract Hematophagous insects belonging to the Aedes genus are proven vectors of viral and filarial pathogens of medical interest. Aedes albopictus is an increasingly important vector because of its rapid worldwide expansion. In the context of global climate change and the emergence of zoonotic infectious diseases, identification tools with field application are required to strengthen efforts in the entomological survey of arthropods with medical interest. Large scales and proactive entomological surveys of Aedes mosquitoes need skilled technicians and/or costly technical equipment, further puzzled by the vast amount of named species. In this study, we developed an automatic classification system of Aedes species by taking advantage of the species-specific marker displayed by Wing Interferential Patterns. A database holding 494 photomicrographs of 24 Aedes spp. from which those documented with more than ten pictures have undergone a deep learning methodology to train a convolutional neural network and test its accuracy to classify samples at the genus, subgenus, and species taxonomic levels. We recorded an accuracy of 95% at the genus level and > 85% for two ( Ochlerotatus and Stegomyia ) out of three subgenera tested. Lastly, eight were accurately classified among the 10 Aedes sp. that have undergone a training process with an overall accuracy of > 70%. Altogether, these results demonstrate the potential of this methodology for Aedes species identification and will represent a tool for the future implementation of large-scale entomological surveys.

Dates et versions

hal-04246956 , version 1 (17-10-2023)

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Citer

Arnaud Cannet, Camille Simon-Chane, Aymeric Histace, Mohammad Akhoundi, Olivier Romain, et al.. Wing Interferential Patterns (WIPs) and machine learning for the classification of some Aedes species of medical interest. Scientific Reports, 2023, 13 (1), pp.17628. ⟨10.1038/s41598-023-44945-3⟩. ⟨hal-04246956⟩
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