Cattle-Derived Unsaturated Aldehydes Repel Biting Midges and Mosquitoes.
Behaviour
Culicidae
Culicoides
Electrophysiology
Host repellent
Journal
Journal of chemical ecology
ISSN: 1573-1561
Titre abrégé: J Chem Ecol
Pays: United States
ID NLM: 7505563
Informations de publication
Date de publication:
Apr 2022
Apr 2022
Historique:
received:
21
10
2021
accepted:
21
12
2021
revised:
09
12
2021
pubmed:
3
2
2022
medline:
11
5
2022
entrez:
2
2
2022
Statut:
ppublish
Résumé
Host-derived repellents offer a novel way to reduce disease vector-host interactions, particularly for vectors and nuisance pests where commercial repellents are not available, e.g., Culicoides biting midges. By revising the criteria previously used to identify bioactive volatile organic compounds for Culicoides nubeculosus, we identify (E)-2-hexenal, (E)-2-heptenal, (E)-2-octenal, and (E)-2-nonenal to be differentially present in the headspace odour of cattle hair and to elicit antennal responses in this research model species. A blend of these unsaturated aldehydes elicited an aversive response in C. nubeculosus, as well as a repellent response in three disease vector mosquito species, Aedes aegypti, Culex quinquefasciatus and Anopheles coluzzii, a response that was stronger than that to the commercially available repellents tested (DEET, IR3535, PMD, icaridin, and d-allethrin). Culicoides nubeculosus was behaviourally indifferent to these commercially available repellents tested, except d-allethrin to which it was attracted. The identification of a host-derived repellent odour blend, which reduces the interaction between biting midges extends the array of tools to be used in integrated vector management of these and other disease vectors.
Identifiants
pubmed: 35107692
doi: 10.1007/s10886-021-01347-x
pii: 10.1007/s10886-021-01347-x
pmc: PMC9079034
doi:
Substances chimiques
Aldehydes
0
Allethrins
0
Insect Repellents
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
359-369Informations de copyright
© 2022. The Author(s).
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