High-throughput behavioral phenotyping of tiny arthropods: Chemosensory traits in a mesostigmatic hematophagous mite.
automatic tracking
chemical ecology
ethomics
hematophagous mites
poultry red mites
Journal
Journal of experimental zoology. Part A, Ecological and integrative physiology
ISSN: 2471-5646
Titre abrégé: J Exp Zool A Ecol Integr Physiol
Pays: United States
ID NLM: 101710204
Informations de publication
Date de publication:
01 2023
01 2023
Historique:
revised:
30
07
2022
received:
01
03
2022
accepted:
03
08
2022
pubmed:
3
9
2022
medline:
16
12
2022
entrez:
2
9
2022
Statut:
ppublish
Résumé
Pest management using attractive and/or repellent semiochemicals is a key alternative to synthetic insecticides. Its implementation requires a good understanding of the intra- and interspecific chemical interactions of arthropod pests, their interactions with their abiotic environment, as well as their evolutionary dynamics. Although mites include many pest species and biocontrol agents of economic importance in agriculture, their chemical ecology is largely understudied compared to insects. We developed a high-throughput ethomics system to analyze these small arthropods and conducted a study on Dermanyssus gallinae, a problematic poultry parasite in the egg industry. Our purpose was to elucidate the role played by host-derived odorants (synthetic kairomone) and conspecific odorants (mite body odors) in D. gallinae. After validating our nanocomputer controlled olfactometric system with volatile semiochemicals of known biological activity, we characterized response traits to kairomonal and/or pheromonal volatile blends in mites from different populations. We were able to accurately characterize the repulsion or attraction behaviors in >1000 individual specimens in a standardized way. Our results confirm the presence of a volatile aggregation pheromone emitted by D. gallinae and bring new elements to the effect of odor source presentation. Our results also confirm the attractive effect on Dermanyssus gallinae of a blend of volatile compounds contained in hen odor, while highlighting a repellent effect at high concentration. Significant interindividual and interpopulation variation was noted particularly in responses to synthetic kairomone. This information lays a valuable foundation for further exploring the emergence risk of resistance to semiochemicals.
Identifiants
pubmed: 36052497
doi: 10.1002/jez.2651
pmc: PMC10087610
doi:
Substances chimiques
Pheromones
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
46-62Informations de copyright
© 2022 The Authors. Journal of Experimental Zoology Part A: Ecological Genetics and Physiology published by Wiley Periodicals LLC.
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