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Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 528358
Title Mothers in the woods: multitrophic interactions and oviposition preference in the bronze big Thaumastocoris pergrinus, a pest of Eucalyptus
Author(s) Martínez, Gonzalo
Source Wageningen University. Promotor(en): M. Dicke, co-promotor(en): A. González. - Wageningen : Wageningen University - ISBN 9789463436786 - 172
Department(s) Laboratory of Entomology
PE&RC
Publication type Dissertation, internally prepared
Publication year 2017
Keyword(s) eucalyptus - forest plantations - forest pests - multitrophic interactions - biological control - hemiptera - oviposition - host plants - uruguay - insect plant relations - eucalyptus - bosplantages - bosplagen - multitrofe interacties - biologische bestrijding - hemiptera - ovipositie - waardplanten - uruguay - insect-plant relaties
Categories Insect-Plant Relations
Abstract

The bronze bug is an important pest of Eucalyptus trees. Originally restricted to Australia, it has become an important pest of Eucalyptus plantations, colonizing in 15 years the major production areas worldwide. The aim of this thesis was to investigate the factors affecting the oviposition behavior of the bronze bug within a multitrophic system comprised of its host plant (Eucalyptus spp.), a common co-occurring sap-feeder (Glycaspis brimblecombei) and a specialist egg parasitoid (Cleruchoides noackae). I assessed the life parameters of this species in a newly developed rearing. Based on the preference-performance hypothesis, I tested the effects of host-plant quality, conspecifics, or the infestation by a potential competitor on preference-performance correlations of the bronze bug. The egg parasitoid (C. noackae) was introduced, reared, and released. Finally, I assessed host-selection behavior of the parasitoid, testing its responses towards different contact cues. The findings of this investigation provided new insights on the oviposition behavior by true bugs, and towards the development of management strategies for T. peregrinus.

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