An Insight into the Role of Trissolcus mitsukurii as Biological Control Agent of Halyomorpha halys in Northeastern Italy

Scaccini, Davide; Falagiarda, Martina; Tortorici, Francesco; Martinez‐Sañudo, Isabel; Tirello, Paola; Reyes-Domínguez, Yazmid; Gallmetzer, Andreas; Tavella, Luciana; Zandigiacomo, P.; Duso, Carlo; Pozzebon, Alberto

doi:10.3390/insects11050306

Cited by 37 publications

(68 citation statements)

References 56 publications

(107 reference statements)

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“…The Tr. mitsukurii sequence was also similar to the sequence (Genbank Accession MT345599.1) obtained in Alto Adige in Italy, and recently deposited by Scaccini et al [39]. The Tr.…”

Section: Mtdna Haplotype Analysissupporting

confidence: 79%

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Assemblage of the Egg Parasitoids of the Invasive Stink Bug Halyomorpha halys: Insights on Plant Host Associations

Zapponi

Bon

Fouani

et al. 2020

Insects

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Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an invasive alien species and a key agricultural pest. Its native parasitoids (Trissolcus japonicus Ashmead and Tr. mitsukurii Ashmead) have been registered in several countries where H. halys brought dramatic economic losses and where biological control is considered to be the most effective long-term solution. By searching for stink bug egg masses and exposing sentinel egg masses, we monitored the distribution of native and exotic egg parasitoids in Trentino-Alto Adige (Italy), an area where both the host and parasitoids are in expansion. We recorded ten pentatomids, seven parasitoid species, with the first report of Tr. japonicus in this area and a hyperparasitoid. In the assemblage, Anastatus bifasciatus (Geoffroy) and Tr. mitsukurii were the dominant parasitoids, with a different distribution in terms of context and host plants. Sycamore was the host plant where the highest number of naturally laid parasitized egg masses (26%) were recorded. Trissolcus mitsukurii showed the highest parasitism rate, and was often found in apple orchards. The emergence of exotic parasitoids showed a temporal delay compared to native ones. Sequence analysis of 823 bp of the CO1 mitochondrial gene revealed that the recovered Tr. japonicus and Tr. mitsukurii harbored one single haplotype each. These haplotypes were previously found in 2018 in Northern Italy. While sentinel egg masses proved to be very effective in tracking the arrival of exotic Trissolcus species, the collection of stink bug egg masses provided fundamental data on the plant host species. The results lend strong support to the adaptation of exotic Trissolcus species to the environmental conditions of the range of introduction, providing new information on plant host-associations, fundamental for the development of biological control programs.

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“…The Tr. mitsukurii sequence was also similar to the sequence (Genbank Accession MT345599.1) obtained in Alto Adige in Italy, and recently deposited by Scaccini et al [39]. The Tr.…”

Section: Mtdna Haplotype Analysissupporting

confidence: 79%

“…Current distribution of Trissolcus japonicus (diamonds) and Trissolcus mitsukurii (circles) haplotypes, showing records from the present study and adapted from Sabbatini Peverieri et al[26], Scaccini et al[39], and Stahl et al[16].…”

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confidence: 60%

Assemblage of the Egg Parasitoids of the Invasive Stink Bug Halyomorpha halys: Insights on Plant Host Associations

Zapponi

Bon

Fouani

et al. 2020

Insects

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“…Instead, the high parasitization rate reported in China for T. mitsukurii on H. halys (Chu et al, 1997), due to an original misidenti cation should be assigned to T. japonicus as stated by Yang et al (2009). Field data from Northern Italy showed high rates of parasitism of H. halys eggs by T. mitsukurii, suggesting that this egg parasitoid could be a valid candidate for biological control of the invasive stink bug in addition to T. japonicus (Benvenuto et al 2020;Scaccini et al 2020;Zapponi et al 2020). Because no speci c and recent information is available on the host range of T. mitsukurii, a risk analysis workplan needs to be initiated before implementation of this egg parasitoid as a biological control agent is considered (van Lenteren et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Physiological Host Range of Trissolcus Mitsukurii, A Candidate Biological Control Agent of Halyomorpha Halys

Giovannini

Peverieri²,

Marianelli

et al. 2021

Preprint

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The invasive stink bug Halyomorpha halys is a severe agricultural pest of worldwide importance, and chemical insecticides are largely sprayed for the control of its populations. Negative impacts and several failures in chemical pest management led to consider classical biological control as one of the most promising methods in a long-term perspective. The Asian egg parasitoid Trissolcus japonicus is the main candidate biocontrol agent of H. halys, but more recently a second Asian egg parasitoid, Trissolcus mitsukurii, is getting attention after adventive populations were found on H. halys egg masses in Europe. Before recommending the use of T. mitsukurii for biological control of H. halys, a risk analysis is necessary and therefore here we present the first study on the fundamental physiological host range of this parasitoid in Europe. Tests conducted with T. mitsukurii on different hemipterans, using three different experimental designs, revealed a broad physiological host range, comparable with the host range displayed by T. japonicus under similar laboratory conditions. Specifically, in addition to its coevolved host H. halys, T. mitsukurii successfully parasitized the majority of tested pentatomid species and one scutellerid, although with highly variable emergence rates. Host egg sizes positively affected parasitoid size and female egg load. Further studies, testing more complex systems that involve olfactory cues from host and host plants, will simulate different aspects of the parasitoid host location behavior under field conditions, allowing in-depth evaluation of the possible risks associated with the use of T. mitsukurii as a biocontrol agent of H. halys.

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“…A genetic analysis using the barcode mitochondrial DNA determined the closest match of the 'Ticino populations' with Japanese populations, but the pathways of entry into Switzerland remain unknown (Stahl et al, 2019b). Trissolcus mitsukurii was first recorded in northeastern Italy starting from 2016 (Scaccini et al, 2020). After the discovery of populations of Tr.…”

Section: Control By Exotic Parasitoids and Possible Impact On Native mentioning

confidence: 99%

Biological control of invasive stink bugs: review of global state and future prospects

Conti

Avila

Barratt

et al. 2020

Entomologia Exp Applicata

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An Insight into the Role of Trissolcus mitsukurii as Biological Control Agent of Halyomorpha halys in Northeastern Italy

Cited by 37 publications

References 56 publications

Assemblage of the Egg Parasitoids of the Invasive Stink Bug Halyomorpha halys: Insights on Plant Host Associations

Assemblage of the Egg Parasitoids of the Invasive Stink Bug Halyomorpha halys: Insights on Plant Host Associations

Physiological Host Range of Trissolcus Mitsukurii, A Candidate Biological Control Agent of Halyomorpha Halys

Biological control of invasive stink bugs: review of global state and future prospects

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