ArticleJournal of chemical ecology2022
Links Between Feeding Preferences and Electroantennogram Response Profiles in Dung Beetles: The Importance of Dung Odor Bouquets.
Article in Journal of chemical ecology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Ecotoxicity evaluation of thymol in tunneller dung beetles (Coleoptera: Geotrupidae) as a natural alternative to ecotoxic anthelmintics.Ecotoxicology (London, England) · 2026Article
- Cerrado ash reduces volatile emissions from faeces but does not influence the olfactory responses of the dung beetles.Die Naturwissenschaften · 2025Article
- Experimental study on the effect of Ivermectin on cattle dung faunas in Eastern Ethiopia.PloS one · 2025Article
- Characterisation of Antennal Sensilla and Electroantennography Responses of the Dung BeetlesInsects · 2023Article
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3 authors.
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Abstract
The detection of dung odors is a crucial step in the food-searching behavior of dung beetles (Coleoptera: Scarabaeoidea). Yet, whether certain compounds characteristic of a given dung type contribute to a 'choosy generalism' behavior proposed for this taxonomic group is unknown. To address this, we analyzed the chemical composition of three types of dung (cow, horse, and rabbit) and conducted behavioral and electroantennogram (EAG) bioassays on 15 species of dung beetles using 19 volatile organic compounds representing the three dung samples. Chemical analyses revealed substantial qualitative and quantitative differences among dung types. When offered these food options in an olfactometer, 14 species exhibited a feeding preference. Surprisingly, all 19 compounds used in the EAG assays elicited antennal responses, with species displaying different olfactory profiles. The relationship between behavioral preferences and electrophysiological profiles highlighted that species with different food preferences had differences in antennal responses. Moreover, a specific set of EAG-active compounds (nonanal, sabinene, acetophenone, ρ-cresol, 2-heptanone, 1H-indole, and 6-methyl-5-hepten-2-one) were the strongest drivers in the distinct sensory profiles of the trophic preference groups. Our results point to the importance of the whole bouquet of dung-emanating compounds in driving food-searching behavior, but specific volatiles could aid in determining highly marked trophic preferences in certain species.
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