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Recent studies have revealed that many mosquito species regularly engage in high-altitude windborne migration, but its epidemiological significance was debated. The hypothesis that high-altitude mosquitoes spread pathogens over large distances has not been directly tested. Here, we report for the first time that high-altitude windborne mosquitoes are commonly infected with arboviruses, protozoans, and helminths affecting vertebrates and humans, and provide the first description of this pathogen-vector aerial network.
View Article and Find Full Text PDFTreatment of cattle with ivermectin and its effect on dung degradation and larval abundance in a tropical savanna setting.
One Health
June 2025
Department of Entomology, Virgina Polytechnic Institute & State University, Blacksburg, VA 24061, USA.
When ingested as part of a blood meal, the antiparasitic drug ivermectin kills mosquitoes, making it a candidate for mass drug administration (MDA) in humans and livestock to reduce malaria transmission. When administered to livestock, most ivermectin is excreted unmetabolized in the dung within 5 days post administration. Presence of ivermectin, has been shown to adversely affect dung colonizers and dung degradation in temperate settings; however, those findings may not apply to, tropical environment, where ivermectin MDA against malaria would occur.
View Article and Find Full Text PDFEvolution of wing scales in Diptera documented by fossils.
Zoological Lett
December 2024
Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Av. dos Estados, 5001. Bairro Bangu, Santo André, SP, 09210-580, Brazil.
Among the insects with wings clad in scales, the butterflies are the best known and those showing greatest variety of scale types. In the Diptera, some families or particular genera of two large groups are known to bear scales on wings, i.e.
View Article and Find Full Text PDFPrevalence and Transmission Cycle of Avian Pathogens in the Isolated Oceanic Islands of Japan.
Ecol Evol
December 2024
Laboratory of Biomedical Science, Department of Veterinary Medicine, College of Bioresource Sciences Nihon University Fujisawa Kanagawa Japan.
Avian haemosporidian parasites and avian pox virus (APV) are well-known pathogens for their impact on avian populations, especially in oceanic islands where introduced pathogens show strong virulence for endemic and naïve birds. The Bonin Islands are a group of oceanic islands 1000 km south of Tokyo. Like the Hawaiian Islands, there are many endemic and endangered species as well as introduced species, which have greatly affected the native avian fauna.
View Article and Find Full Text PDFExposure to West Nile Virus in Wild Lagomorphs in Spanish Mediterranean Ecosystems.
Zoonoses Public Health
December 2024
Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain.
Article Synopsis
- West Nile virus (WNV) is a widespread mosquito-borne virus raising concerns for health in Europe, yet no studies have previously investigated its impact on wild rabbits and hares in Spain.
- This study examined WNV exposure in 540 wild lagomorphs in Andalusia, revealing 5% tested positive, with 4.8% of wild rabbits and 0.7% of Iberian hares showing antibodies against the virus.
- The findings mark the first report of WNV exposure in wild rabbits in Spain and Iberian hares globally, suggesting these animals could help monitor the virus's presence in their ecosystems.
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