First overview of the Culicoides Latreille (Diptera: Ceratopogonidae) livestock associated species of Reunion Island, Indian Ocean

First overview of the Culicoides Latreille (Diptera: Ceratopogonidae) livestock associated species of Reunion Island, Indian Ocean

Following a new faunistic inventory of Culicoides species, the study provides morphological description, their barcode sequences and an analysis of their distribution. •A new faunistic inventory of Culicoïdes species on Reunion Island is established.•Five species including three new are recorded.•Mo...

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Bibliographic Details
Published in:Acta tropica Vol. 142; pp. 5 - 19
Main Authors: Desvars, A., Grimaud, Y., Guis, H., Esnault, O., Allène, X., Gardès, L., Balenghien, T., Baldet, T., Delécolle, J.C., Garros, C.
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 01-02-2015
Elsevier
Subjects:
Africa
Animals
Biting midges
Bluetongue - transmission
Ceratopogonidae
Ceratopogonidae - classification
Ceratopogonidae - genetics
Ceratopogonidae - virology
Culicoides
Culicoides bolitinos
Culicoides imicola
Cytochrome oxidase subunit I
Demography
Diptera
Female
Hemorrhagic Disease Virus, Epizootic
Indian Ocean
Insect Vectors - classification
Insect Vectors - genetics
Insect Vectors - virology
Life Sciences
Livestock
Livestock - parasitology
Male
Microbiology and Parasitology
Phylogeny
Reoviridae Infections - transmission
Reoviridae Infections - veterinary
Reunion
Ruminantia
Species diversity
Vector species
Reunion
Indian Ocean
Africa
ISW, Indian Ocean, Mascarene Is., Reunion
Vector species
Species diversity
Livestock
Biting midges
Indian Ocean
Cytochrome oxidase subunit I
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Summary:Following a new faunistic inventory of Culicoides species, the study provides morphological description, their barcode sequences and an analysis of their distribution. •A new faunistic inventory of Culicoïdes species on Reunion Island is established.•Five species including three new are recorded.•Morphological identification and barcode sequences are provided.•Diversity and altitudinal distribution of the recoded species were investigated. This study establishes the first faunistic inventory of livestock associated Culicoides (Diptera: Ceratopogonidae) species of Reunion Island (Indian Ocean), where bluetongue and epizootic hemorrhagic disease are regularly recorded. Single night-catches were performed at 41 sites using light suction traps at altitudes ranging from 0 to 1525m, from March to April 2005. Five species were recorded: Culicoides imicola, Culicoides bolitinos, Culicoides enderleini, Culicoides grahamii, and Culicoides kibatiensis, among which at least the first three species are known to be involved in virus transmission to ruminants and equids. This is the first record of C. bolitinos, C. kibatiensis, and C. enderleini on the island. C. imicola was the most abundant species along the sea coast. C. bolitinos was more abundant inland and on two sites on the east coast. C. kibatiensis and C. grahamii were less abundant than the other three species and limited to two foci. Spatial distribution analysis of the different species showed that C. bolitinos, C. enderleini and C. imicola were collected at low altitudes, while the other two species were found at higher altitude. A morphological identification key for adult females and males is given, as well as cytochrome oxydase subunit I sequences. Phylogenetic reconstructions showed a clear divergence between C. bolitinos from Reunion Island and mainland Africa. This monograph will help to identify the Culicoides species in the poorly known entomological fauna of the south-western Indian Ocean region.
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ISSN:0001-706X
1873-6254
1873-6254
DOI:10.1016/j.actatropica.2014.10.018