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Culicoides monitoring in the Republic of Macedonia - Dominance of the Culicoides obsoletus sensu lato/"Culicoides scoticus species


Academic year: 2021

Partager "Culicoides monitoring in the Republic of Macedonia - Dominance of the Culicoides obsoletus sensu lato/"Culicoides scoticus species"


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SOVE 2017

Book of Abstracts

-The 7th International Congress of the Society for

Vector Ecology (SOVE)


© Edited by: Miranda Chueca, Miguel Ángel - Alten, Bulent

© Assistant Editor: Paredes-Esquivel, Claudia -

Barceló Seguí, Carlos - Borrás Borrás, David © Cover Design: Van Dyke, William

© Editorial: Miguel Ángel Miranda Chueca

Cra. Valldemossa, km 7,5, Palma de Mallorca, 07112, Illes Balears

First published, 2017 ISBN: 978-84-697-6086-4

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190 SOVE 2017

Poster: Surveillance of vectors and vector-borne diseases

Culicoides monitoring in the Republic of Macedonia - Dominance

of the

Culicoides obsoletus sensu lato/Culicoides scoticus species

Aleksandar Cvetkovikj1, Ljubica Rashikj1, Laëtitia Gardès2,3, Thomas

Balenghien2,3,4,5, Jovana Stefanovska1

Faculty of Veterinary Medicine, Ss. Cyril and Methodius University in Skopje, Skopje, Re-public of Macedonia1; CIRAD, UMR ASTRE, F-34398 Montpellier, France2; INRA, UMR1309

ASTRE, F-34398 Montpellier, France3; CIRAD, UMR ASTRE, Rabat, Morocco4; Agronomic

and Veterinary Institute Hassan II, Rabat, Morocco5.


Culicoides spp. are small biting midges responsible for the transmission of several

arboviruses of veterinary importance, including the bluetongue virus, the Schmal-lenberg virus and the African horse sickness virus. Although there were two major bluetongue outbreaks in Macedonia (in 2001 and 2014), the Culicoides involved in the transmission were never investigated. Hence, this study aimed to determine the Culicoides species diversity and abundance in Macedonia. Collections were per-formed in 2016 on seven cattle dairy farms using OVI-light/suction traps. From May to October, the sampling was twice per month for two consecutive nights. In No-vember and December, there was only one sampling per month and for one night only. The collected Culicoides were morphologically identified according to the wing patterns of the females and the genital morphology of the males. A subset of ran-domly selected females belonging to Culicoides obsoletus/Culicoides scoticus were identified to species level by PCR. Overall, 138 collections were performed and a total of 109,866 Culicoides were identified. The identified Culicoides belonged to at least 9 species: C. obsoletus s.l./C. scoticus, Culicoides imicola, Culicoides pulicaris,

Culicoides punctatus, Culicoides newsteadi, Culicoides circumscriptus, Culicoides flavi-pulicaris, species of the Odibilis and Nubeculosus groups. C. obsoletus s.l./C. scoti-cus were the most abundant species (61.3%), with peak activity in June. The PCR

showed a dominance of C. obsoletus s.l. (82.6%) may include cryptic species, over C.

scoticus (14.7%). These results can be used as a baseline for future research and can

help in identifying risk areas for Culicoides borne viruses in Macedonia.


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