Introduction: The brown marmorated stink bug, Halyomorpha halys,is an Asian polyphagous species that has become an invasive crop pest in North America and Europe. After its first detection in Switzerland in 2004, it was subsequently found in other European countries such as Italy, where, since 2012, it has rapidly spread in the northern regions, becoming a threat to many crops, especially in pear and peach orchards. Results/Conclusion: Overall, most egg parasitism was due to the generalist parasitoid Anastatus sp. (Eupelmidae) and, at a lower level, to various Scelionidae species (e.g. Trissolcus cultratus). In northern Italy, the amount of parasitized eggs ranged from 3.1% in 2014 to 0.9% in 2015 in Emilia Romagna, and from 0.3% on exposed egg-masses to 21.4% on egg-masses collected in a natural habitat in 2015 in Piedmont. Overall parasitism in Switzerland was 4.4% in 2013.

A survey of native parasitoids ofHalyomorpha halysin Northern Italy and Switzerland / Costi, Elena; Maistrello, Lara; Pansa, M. G; Haye, Tim; Tavella, Luciana. - (2016). ((Intervento presentato al convegno 2016 International Congress of Entomology tenutosi a Orlando (FL), USA nel September 25-30 [10.1603/ICE.2016.95318].

A survey of native parasitoids ofHalyomorpha halysin Northern Italy and Switzerland

COSTI, ELENA;MAISTRELLO, Lara;
2016

Abstract

Introduction: The brown marmorated stink bug, Halyomorpha halys,is an Asian polyphagous species that has become an invasive crop pest in North America and Europe. After its first detection in Switzerland in 2004, it was subsequently found in other European countries such as Italy, where, since 2012, it has rapidly spread in the northern regions, becoming a threat to many crops, especially in pear and peach orchards. Results/Conclusion: Overall, most egg parasitism was due to the generalist parasitoid Anastatus sp. (Eupelmidae) and, at a lower level, to various Scelionidae species (e.g. Trissolcus cultratus). In northern Italy, the amount of parasitized eggs ranged from 3.1% in 2014 to 0.9% in 2015 in Emilia Romagna, and from 0.3% on exposed egg-masses to 21.4% on egg-masses collected in a natural habitat in 2015 in Piedmont. Overall parasitism in Switzerland was 4.4% in 2013.
2016 International Congress of Entomology
Orlando (FL), USA
September 25-30
Costi, Elena; Maistrello, Lara; Pansa, M. G; Haye, Tim; Tavella, Luciana
A survey of native parasitoids ofHalyomorpha halysin Northern Italy and Switzerland / Costi, Elena; Maistrello, Lara; Pansa, M. G; Haye, Tim; Tavella, Luciana. - (2016). ((Intervento presentato al convegno 2016 International Congress of Entomology tenutosi a Orlando (FL), USA nel September 25-30 [10.1603/ICE.2016.95318].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1111641
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