Multiple lines of evidence for reproductive winter diapause in the invasive pest Drosophila suzukii: useful clues for control strategies

Stacconi, Marco Valerio Rossi; Kaur, Rupinder; Mazzoni, Valerio; Ometto, Lino; Grassi, A.; Gottardello, A.; Rota‐Stabelli, Omar; Anfora, G.

doi:10.1007/s10340-016-0753-8

Cited by 110 publications

(121 citation statements)

References 52 publications

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“…For instance, Dalton et al (2011) reported that pupae died earlier than adults when exposed to temperatures below 10 °C, and Ryan et al (2016) found that SWD pupae could not survive 42 d of cold exposure contrary to adults. This seems coherent with the observation that in SWD, the overwintering stage is the adult in reproductive diapause (Stephens et al, 2015; Zerulla et al, 2015; Shearer et al, 2016; Toxopeus et al, 2016; Rossi-Stacconi et al, 2016; Wallingford & Loeb, 2016). Ontogenetic differences under high temperature revealed different patterns than under low temperature.…”

Section: Discussionsupporting

confidence: 90%

“…In temperate regions, cold snaps with freezing events could be lethal to SWD. However, it seems that SWD overwinters as adults by migrating into protected microclimates, in leaf litter or in human made structures (Kanzawa, 1939; Kimura, 2004; Dalton et al, 2011; Zerulla et al, 2015; Rossi-Stacconi et al, 2016). This avoiding strategy likely allows SWD to escape low winter temperatures in natura , and colonize new cool regions (Rota-Stabelli, Blaxter & Anfora, 2013; Asplen et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

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Basal tolerance to heat and cold exposure of the spotted wing drosophila,Drosophila suzukii

Enriquez

Colinet

2017

PeerJ

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The spotted wing Drosophila, Drosophila suzukii, is a new pest in Europe and America which causes severe damages, mostly to stone fruit crops. Temperature and humidity are among the most important abiotic factors governing insect development and fitness. In many situations, temperature can become stressful thus compromising survival. The ability to cope with thermal stress depends on basal level of thermal tolerance. Basic knowledge on temperature-dependent mortality of D. suzukii is essential to facilitate management of this pest. The objective of the present study was to investigate D. suzukii basal cold and heat tolerance. Adults and pupae were subjected to six low temperatures (−5–7.5 °C) and seven high temperatures (30–37 °C) for various durations, and survival-time-temperature relationships were investigated. Data showed that males were globally more cold tolerant than females. At temperature above 5 °C, adult cold mortality became minor even after prolonged exposures (e.g., only 20% mortality after one month at 7.5 °C). Heat tolerance of males was lower than that of females at the highest tested temperatures (34, 35 and 37 °C). Pupae appeared much less cold tolerant than adults at all temperatures (e.g., Lt50 at 5° C: 4–5 d for adults vs. 21 h for pupae). Pupae were more heat tolerant than adults at the most extreme high temperatures (e.g., Lt50 at 37 °C: 30 min for adults vs. 4 h for pupae). The pupal thermal tolerance was further investigated under low vs. high humidity. Low relative humidity did not affect pupal cold survival, but it reduced survival under heat stress. Overall, this study shows that survival of D. suzukii under heat and cold conditions can vary with stress intensity, duration, humidity, sex and stage, and the methodological approach used here, which was based on thermal tolerance landscapes, provides a comprehensive description of D. suzukiithermal tolerance and limits.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Basal tolerance to heat and cold exposure of the spotted wing drosophila,Drosophila suzukii

Enriquez

Colinet

2017

PeerJ

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“…Cherries are among the first fruits ripening in the year when the population density of D. suzukii is still relatively low (Asplen et al., ) combining both adults exiting from overwintering diapause and those of the first spring generation. Thus, a highly sensitive monitoring tool becomes a fundamental requirement to inform the timing of insecticides applications and set up selective and effective defences (Hamby & Becher, ; Ioriatti et al., ; Rossi‐Stacconi et al., ). In addition, an efficient combination of trap and lure/bait finds immediate application in mass trapping and attract and kill techniques; as well as it provides essential data to compile models able to predict D. suzukii population dynamics (Rossi‐Stacconi et al., ; Wiman et al., ).…”

Section: Discussionmentioning

confidence: 99%

Comparison of attractants for monitoring Drosophila suzukii in sweet cherry orchards in Italy

Tonina

Grassi

Caruso

et al. 2017

J Applied Entomology

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The invasiveness of Drosophila suzukii Matsumura is causing sizable damage to soft fruits and cherry. In order to define a targeted strategy for D. suzukii management, it is important to have access to highly sensitive trapping tools for detection, monitoring and control that are also selective, practical in use, economic, and with low environmental impact. The aim of this study was to compare different combinations of traps and lures to define a best practice approach for D. suzukii monitoring in Italy, extended over a wide elevational gradient and landscape complexity. The high attractiveness was not always combined with high selectivity, as in some cases up to 95% of the Drosophila spp. captured were belonging to species different from D. suzukii. The commercial Droso‐Trap was very efficient providing high capture ability. Overall, the most attractive lure was Droskidrink while Suzukii Trap was the most selective one. Lure attractiveness and selectivity, however, changed during the season in relation to environmental temperatures and phenological developmental stages, suggesting the need for implementing different lures in different periods and for the different purposes (monitoring or mass trapping). In terms of trap management, Droskidrink showed the problem of bacterial‐gel formation, while Suzukii Trap and Pherocon SWD were easier to handle as they did not need to be checked at weekly interval. Finally, these results were gathered to convey the most efficient combination of trap and bait able to efficiently perform mass trapping and attract and kill technique.

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“…These preventive control measures should be diapause-aware, meaning that they could be executed in spring and late-fall, to gradually reduce the pest population and minimize the damage caused to sensitive crops throughout the season [47]. BMSB is an adept hitchhiker, often detected in vehicles and freight shipment [48,49].…”

Section: Citizens' Impactmentioning

confidence: 99%

Coupling Traditional Monitoring and Citizen Science to Disentangle the Invasion of Halyomorpha halys

Malek

Tattoni

Ciolli

et al. 2018

IJGI

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Abstract:The brown marmorated stink bug, Halyomorpha halys Stål (Hemiptera: Pentatomidae), is an invasive pest that has expanded its range outside of its original confinements in Eastern Asia, spreading through the United States, Canada and most of the European and Eurasian countries. The invasiveness of this agricultural and public nuisance pest is facilitated by the availability of an array of suitable hosts, an r-selected life history and the release from natural enemies in the invaded zones. Traditional monitoring methods are usually impeded by the lack of time and resources to sufficiently cover large geographical ranges. Therefore, the citizen science initiative "BugMap" was conceived to complement and assist researchers in breaking down the behavior of this invasive pest via a user-friendly, freely available mobile application. The collected data were employed to forecast its predicted distribution and to identify the areas at risk in Trentino, Northern Italy. Moreover, they permitted the uncovering of the seasonal invasion dynamics of this insect, besides providing insight into its phenological patterns, life cycle and potential management methods. Hence, the outcomes of this work emphasize the need to further integrate citizens in scientific endeavors to resolve ecological complications and reduce the gap between the public and science.

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Multiple lines of evidence for reproductive winter diapause in the invasive pest Drosophila suzukii: useful clues for control strategies

Cited by 110 publications

References 52 publications

Basal tolerance to heat and cold exposure of the spotted wing drosophila,Drosophila suzukii

Basal tolerance to heat and cold exposure of the spotted wing drosophila,Drosophila suzukii

Comparison of attractants for monitoring Drosophila suzukii in sweet cherry orchards in Italy

Coupling Traditional Monitoring and Citizen Science to Disentangle the Invasion of Halyomorpha halys

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