The Argentine ant, Linepithema humile (Hymenoptera: Formicidae: Dolichoderinae) is sensitive to semiochemicals involved in the spacing behaviour in the bird cherry-oat aphid Rhopalosiphum padi (Sternorrhyncha: Aphididae)
Author
dc.contributor.author
Córdova-Yamauchi, Leslie
Author
dc.contributor.author
Gianoli, Ernesto
Author
dc.contributor.author
Quiroz, Andrés
Author
dc.contributor.author
Niemeyer, Hermann M.
Admission date
dc.date.accessioned
2018-12-20T14:10:41Z
Available date
dc.date.available
2018-12-20T14:10:41Z
Publication date
dc.date.issued
1998
Cita de ítem
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European Journal of Entomology, Volumen 95, Issue 4, 2018, Pages 501-508
Identifier
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18028829
Identifier
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12105759
Identifier
dc.identifier.uri
https://repositorio.uchile.cl/handle/2250/154391
Abstract
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The behavioural response of an aphid-tending ant, the Argentine ant Linepitherma humile, to semiochemicals related with spacing behaviour in the aphid Rhopalosiphum padi (L.) was used evaluated. The compounds involved were 6-methyl-5-hepten-2-one (MHO), 6-methyl-5-hepten-2-ol (MHOH), and 2-tridecanone (2-T). Hexane solutions of these semiochemicals either singly or mixed, and extracts obtained by trapping volatile compounds from wheat seedlings either alone or infested with two different densities of aphids were used as stimuli in olgactometric bioassays. Ants showed attraction to volatile extracts from plants infested at both densities, and slightly preferred volatile compounds from lightly over heavily infested plants in a choice tests. On the other hand, while a dose-dependent repellence response was elicited by the naturally-occurring mixture of MHO, MHOH and 2-T, single compounds did not elicit significant responses in olfactometric bioassays. The function of these semiochemicals
The Argentine ant, Linepithema humile (Hymenoptera: Formicidae: Dolichoderinae) is sensitive to semiochemicals involved in the spacing behaviour in the bird cherry-oat aphid Rhopalosiphum padi (Sternorrhyncha: Aphididae)