Monitoring Drosophila suzukii in Switzerland in 20121

Baroffio, Catherine; Richoz, Pauline; Fischer, Serge; Kuske, Stefan; Linder, Christian; Kehrli, Patrik

doi:10.3233/jbr-140066

Cited by 17 publications

(16 citation statements)

References 3 publications

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“…SWD was first confirmed in Switzerland in 2011 (Baroffio and Fischer 2011;Baroffio et al 2014). Extensive monitoring via apple cider vinegar bait (50 % water, 40 % apple vinegar, 10 % red wine) was used to quantify the seasonal buildup of adult SWD populations.…”

Section: Northwestern Europementioning

confidence: 99%

Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities

et al. 2015

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The Asian vinegar fly Drosophila suzukii (spotted wing Drosophila [SWD]) has emerged as a major invasive insect pest of small and stone fruits in both the Americas and Europe since the late 2000s. While research efforts have rapidly progressed in Asia, North America, and Europe over the past 5 years, important new insights may be gained in comparing and contrasting findings across the regions affected by SWD. In this review, we explore common themes in the invasion biology of SWD by examining (1) its biology and current pest status in endemic and recently invaded regions; (2) current efforts and future research needs for the development of predictive models for its geographic expansion; and (3) prospects for both natural and classical (=importation) biological control of SWD in invaded habitats, with emphasis on the role of hymenopteran parasitoids. We conclude that particularly fruitful areas of research should include fundamental studies of its overwintering, host-use, and dispersal capabilities; as well as applied studies of alternative, cost-effective management techniques to complement insecticide use within the integrated pest management framework. Finally, we emphasize that outreach efforts are critical to effective SWD management by highlighting successful Communicated by M. Traugott. Electronic supplementary materialThe online version of this article (strategies and insights gained from various geographic regions.Keywords Biological control Á Drosophila Á Frugivore Á Integrated pest management Á Invasion biology Key message• Spotted wing Drosophila (SWD) is a major invasive pest of soft fruits in the Americas and Europe. • We review the current global distribution and economic impacts of SWD, develop models for predicting its further spread, and discuss the prospects for biological control of this pest. • The following research areas into SWD biology appear particularly promising: its biology at low temperatures, the dispersal and migratory abilities of adults, and exploration in Asian regions for potential classical biological control agents.

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Section: Northwestern Europementioning

confidence: 99%

Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities

et al. 2015

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“…The network consisted of an average of 200 traps with a variation in numbers throughout the season, distributed according to the importance of fruit growing areas (between 2 and 15 traps/canton). The traps were checked on a weekly basis over the whole year (Baroffio et al, 2013;Baroffio et al, 2015). In 2012, different traps were used for the monitoring and some of them were self-made.…”

Section: Methodsmentioning

confidence: 99%

“…Monitoring programs with application of traps began in all the concerned countries (Beers et al, 2011;Dreves, 2011). Switzerland launched its first survey in 2011 and then continued over the following years (Baroffio et al, 2015). The aim of this survey was to complete the information about the current distribution of the pest, to study the attractiveness of potential host plants (Kenis et al, 2016) and to initiate a sustainable control strategy.…”

Section: Introductionmentioning

confidence: 99%

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Current integrated pest management tactics for the spotted wing Drosophila and their practical implementation in Switzerland

2017

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Drosophila suzukii (Matsumura, 1931) (Diptera: Drosophilidae), the spotted wing Drosophila (SWD) is a concern for small fruit and stone fruit growers. This invasive pest lays eggs in healthy fruits with a serrated ovipositor, resulting in considerable economic losses, mainly in berry crops. In Europe, it was first recorded in Switzerland in 2011, causing considerable damage in all small fruit crops, especially in later-developing crops (autumn raspberries, blackberries, blueberries and elderberries). The pest was found in all regions of the country, from low altitudes to the timberline. The range of host plants is very broad, not only affecting crops, but also wild fruits. Switzerland has implemented a strategy at the national level by combining an effective monitoring system with hygiene measures and mass trapping. Insecticide applications, usually based on spinosyns, are only considered as a last resort. In addition to this already operative strategy, innovative alternatives are considered, in particular the use of repellents or masking substances.

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“…The persistence of the marking of D. suzukii with the Radglo ® TP-series fluorescent pigments by the "Shaking" technique under different trapping and storage conditions was assessed; in addition, it was tested how these conditions can affect contaminations between marked and unmarked specimens. Traps for D. suzukii typically contain ACV, red wine, or a combination of both as a bait/drowning solution [9,[59][60][61][62][63][64][65][66][67][68][69][70][71][72], whereas traps containing lure dispensers can either be dry (if a killing agent is present in the trap, see Section 2.3.2) [56,58,73] or contain water as a drowning solution [64,[74][75][76]. Trapped insects are typically stored in ethanol.…”

Section: Persistence Of Marks During Trapping or Storagementioning

confidence: 99%

Marking Drosophila suzukii (Diptera: Drosophilidae) with Fluorescent Dusts

Clymans

Kerckvoorde²,

Beliën³

et al. 2020

Insects

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The marking of Drosophila suzukii can be an important instrument for studying the ecology and behaviour of this economically important fruit pest, aiding the development of new Integrated Pest Management (IPM) tools or strategies. There is, however, a need for a cost-effective methodology that provides an easily detectable and stable mark. Whereas fluorescent pigment powders are often used in entomological research, the pigments (series, dyes), application techniques, or doses need to be evaluated for each studied species in terms of their efficacy and possible adverse effects on the performance of the insect. The effectiveness of different application techniques and dyes (RadGlo ® TP-series) and their effect on the survival of adult D. suzukii were investigated in the laboratory. Furthermore, the influence of the marking on the behaviour of the flies was examined in laboratory trap assays (olfaction) and a field recapture study (general orientation). The persistence and detectability of the marks was evaluated both on living flies (for different application techniques) and dead flies under trapping/storage conditions. The use of fluorescent powders to mark D. suzukii flies yielded a clearly detectable and highly persistent mark, without any adverse effects on the survival and behaviour of the flies. Insects 2020, 11, 152 2 of 20The spotted wing Drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae), native to Asia [5][6][7], has become a worldwide invasive pest of soft-skinned fruit crops over the last decade [8][9][10][11][12][13][14]. Studies on the ecology and behaviour of the species can yield new insights allowing the improvement or development of management strategies. Various methods for marking D. suzukii flies have been proposed and further optimised. An immunomarking technique (i.e., the use of proteins as markers and detection by enzyme-linked immuno-sorbent assays (ELISA) [15]) for both topical application and acquisition of residues on leaves was tested and optimised by Klick et al. in a series of laboratory and semi-field experiments [16]. What makes this technique unique is that vast areas can be sprayed with inexpensive proteins and that detection by ELISA is fairly sensitive to the acquisition of leaf residues. The disadvantages of immunomarking are the possibility of both false positives and false negatives [17], the need for individual analyses of specimens, and the costs and labour required for detection. Trace elements and stable isotopes can be administered to plants to act as systemic markers for herbivorous insects, an approach that was evaluated for D. suzukii with Rb and 15 N. [18]. The added value of these systemic markers lies in the fact that larvae are self-marked while developing inside the host fruits, enabling the linkage of captured adults to their source of larval development [18]. Methods of self-marking are particularly interesting for MC studies in which whole areas or plants are marked, instead of marking the (captured/reared) insects before release. For MR and M...

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Monitoring Drosophila suzukii in Switzerland in 20121

Cited by 17 publications

References 3 publications

Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities

Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities

Current integrated pest management tactics for the spotted wing Drosophila and their practical implementation in Switzerland

Marking Drosophila suzukii (Diptera: Drosophilidae) with Fluorescent Dusts

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