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Host-seeking and exophilic-endophilic activities of Culicoides spp. (Diptera: Ceratopogonidae) with notes on two trapping methods.
J Med Entomol
January 2025
Department of Zoology, The University of Burdwan, West Bengal, India.
Host-seeking behavior of Culicoides species was examined from 2018 to 2019 in West Bengal, India, which elucidated diel activity, feeding success, attack rate, biting rate, and preferential landing of adult Culicoides on the cattle. A comparative assessment was done between the light trap and the aspirator. The host-seeking experiment involved a substantial timeframe of 297 h of catch collections over 27 nights.
View Article and Find Full Text PDFComplete mitochondrial genomes of and biting midge vectors of Bluetongue Virus.
Mitochondrial DNA B Resour
January 2025
CSIRO Environment, Black Mountain, ACT, Australia.
Biting midges ( spp.) are important vectors of several insect borne arboviruses but are underrepresented in terms of availability of high-resolution genomic resources. We assembled and annotated complete mitochondrial genomes for two species, namely and which are proven vectors for Bluetongue Virus (BTV).
View Article and Find Full Text PDFThe biting midges (Diptera: Ceratopogonidae: Culicoides) are a diverse group of blood-feeding flies that includes numerous pest and vector species. Major gaps exist in our knowledge of the biology and ecology of the majority of Culicoides spp., due in part to a lack of keys for identifying the biting midges of a given region.
View Article and Find Full Text PDFCulicoides and midge-associated arboviruses on cattle farms in Yunnan Province, China.
Parasite
November 2024
Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Fengyu Road, Panlong District, Kunming 650224, Yunnan, China - Key Laboratory of Transboundary Animal Diseases Prevention and Control (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Fengyu Road, Panlong District, Kunming 650224, Yunnan, China.
Article Synopsis
- - Culicoides spp., small biting midges, are important vectors of viruses like African horse sickness and bluetongue that affect livestock; a study in Yunnan Province, China examined their diversity and abundance on two cattle farms from March 2022 to March 2023.
- - Light traps collected 19 species of Culicoides, with C. oxystoma being the most prevalent, making up over 63% of the total 8,343 specimens; 10 species were screened for several viruses using RT-qPCR.
- - Notably, one strain of Yunnan Orbivirus was isolated from cattle blood, and the first connection between a totivirus (YSToV) and Culicoides was found
More than a decade of research on Schmallenberg virus-Knowns and unknowns.
Adv Virus Res
October 2024
Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany.
Article Synopsis
- - Schmallenberg virus (SBV) emerged in 2011 near the Dutch-German border, causing significant reproductive issues in livestock, like abortions and malformed offspring.
- - Intensive research has led to advancements in diagnostic tests, identification of vector species, and development of potential vaccines, enhancing understanding of SBV's biology and pathogenesis.
- - Despite these advancements, key knowledge gaps still exist regarding transmission rates and factors influencing the competence of Culicoides midges as vectors, indicating ongoing research is needed.
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