2023
DOI: 10.1002/ps.7596
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Oviposition substrate location by the invasive woodwasp Sirex noctilio: the combined effect of chemical cues emitted by its obligate symbiont Amylostereum areolatum and different host‐tree species

Santiago Masagué,
Patricia C. Fernández,
Francisco Devescovi
et al.

Abstract: BACKGROUNDSirex noctilio is an invasive forest wasp that affects pines and can result in severe economic losses. The use of semiochemicals offers an opportunity to develop sensitive and specific capturing systems to mitigatenegative impacts. Previous research showed that female S. noctilio would use volatiles emitted by its fungal symbiont, Amylostereum areolatum, but little is known about how these modulate behaviour when combined with pine‐wood emissions. Our aim was to understand the relevance of fungal vol… Show more

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“…A total of 41 volatile components were identified by SPME-GC–MS, of which alcohol compounds were the most common. Some VOCs differ from those previously reported, possibly due to differences in the method and duration of volatile extraction ( Bryant, 2010 ; Jofré et al, 2016 ; Sarvary et al, 2016 ; Faal et al, 2021 ; Masagué et al, 2023 ). Previous studies suggest that 2-hexene (6.56 ± 0.22%), Cycloprop[e] indene1a, 2(1H)-dicarboxaldehyde, and (−) -Globulol emitted by A. chailletii were attractant compounds ( Wang et al, 2018 ).…”
Section: Discussioncontrasting
confidence: 62%
See 1 more Smart Citation
“…A total of 41 volatile components were identified by SPME-GC–MS, of which alcohol compounds were the most common. Some VOCs differ from those previously reported, possibly due to differences in the method and duration of volatile extraction ( Bryant, 2010 ; Jofré et al, 2016 ; Sarvary et al, 2016 ; Faal et al, 2021 ; Masagué et al, 2023 ). Previous studies suggest that 2-hexene (6.56 ± 0.22%), Cycloprop[e] indene1a, 2(1H)-dicarboxaldehyde, and (−) -Globulol emitted by A. chailletii were attractant compounds ( Wang et al, 2018 ).…”
Section: Discussioncontrasting
confidence: 62%
“…Volatiles emitted by fungal symbionts seem to exert a stronger attractant effect compared to those produced by the host ( Fernandez Ajo et al, 2015 ; Sarvary et al, 2016 ). A strong synergistic effect was observed between the volatiles emitted by the symbiotic fungi and those emitted by the host trees ( Faal et al, 2021 ; Masagué et al, 2023 ).…”
Section: Introductionmentioning
confidence: 99%