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Sensory mutations in Drosophila melanogaster influence associational effects between resources during oviposition
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- Verschut, Thomas A. (author)
- Stockholms universitet,Institutionen för ekologi, miljö och botanik
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- Carlsson, Mikael A. (author)
- Stockholms universitet,Avdelningen för funktionell zoomorfologi
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- Anderson, Peter (author)
- Stockholms universitet,Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology,Institutionen för ekologi, miljö och botanik
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- (creator_code:org_t)
- 2017-08-24
- 2017
- English.
- In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 7
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Neighboring resources can affect insect oviposition behavior when the complexity of sensory information obscures information about host resource availability in heterogeneous resource patches. These effects are referred to as associational effects and are hypothesized to occur through constraints in the sensory processing of the insect during host search, resulting into suboptimal resource use. Because the possibilities to study these constraints on naturally occurring animals are limited, we instead used sensory mutants of Drosophila melanogaster to determine the importance of sensory information in the occurrence of associational effects. We found that oviposition was mainly governed by non-volatile chemical cues and less by volatile cues. Moreover, the loss of gustatory sensilla resulted in random resource selection and eliminated associational effects. In conclusion, our study shows that associational effects do not necessarily depend on constraints in the sensory evaluation of resource quality, but may instead be a direct consequence of distinctive selection behavior between different resources at small scales.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Etologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Behavioural Sciences Biology (hsv//eng)
Keyword
- Plant Ecology
- växtekologi
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- ref (subject category)
- art (subject category)
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