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Insects 2014, 5(4), 877-884; doi:10.3390/insects5040877

Infestation Level Influences Oviposition Site Selection in the Tomato Leafminer Tuta absoluta (Lepidoptera: Gelechiidae)

Functional and Evolutionary Entomology, Gembloux Agro-Bio Tech, University of Liege, 2 Passage des Déportés, B-5030 Gembloux, Belgium
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Received: 10 October 2014 / Revised: 23 October 2014 / Accepted: 29 October 2014 / Published: 11 November 2014
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Abstract

The tomato leafminer, Tuta absoluta (Lepidoptera: Gelechiidae), is a devastating pest that develops principally on solanaceous plants throughout South and Central America and Europe. In this study, we tested the influence of three levels of T. absoluta infestations on the attraction and oviposition preference of adult T. absoluta. Three infestation levels (i.e., non-infested plants, plants infested with 10 T. absoluta larvae, and plants infested with 20 T. absoluta larvae) were presented by pairs in a flying tunnel to groups of T. absoluta adults. We found no differences in terms of adult attraction for either level of infestations. However, female oviposition choice is influenced by larvae density on tomato plants. We discuss the underlying mechanisms and propose recommendations for further research. View Full-Text
Keywords: Scrobipalpuloides absoluta; Solanum lycopersicum; insect interaction; attraction; oviposition; volatile organic compound Scrobipalpuloides absoluta; Solanum lycopersicum; insect interaction; attraction; oviposition; volatile organic compound
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Bawin, T.; De Backer, L.; Dujeu, D.; Legrand, P.; Megido, R.C.; Francis, F.; Verheggen, F.J. Infestation Level Influences Oviposition Site Selection in the Tomato Leafminer Tuta absoluta (Lepidoptera: Gelechiidae). Insects 2014, 5, 877-884.

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