Drosophila suzukii (spotted wing drosophila)

Stacconi, Valerio Rossi

doi:10.1079/cabicompendium.109283

Cited by 7 publications

(4 citation statements)

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“…This species originated in South East Asia, but in 2008, it was detected simultaneously in the USA, Italy, and Spain (Rota-Stabelli et al, 2013). Since then, it has been detected in several regions like Hawaii, North America, Europe, Central America, South America, and Africa (Rota-Stabelli et al, 2013;CABI, 2022). Adults of this species are 2-3 mm long with red eyes, pale brown or yellowishbrown thorax, and black transverse stripes on the abdomen (CABI, 2022).…”

Section: Introductionmentioning

confidence: 99%

“…Since then, it has been detected in several regions like Hawaii, North America, Europe, Central America, South America, and Africa (Rota-Stabelli et al, 2013;CABI, 2022). Adults of this species are 2-3 mm long with red eyes, pale brown or yellowishbrown thorax, and black transverse stripes on the abdomen (CABI, 2022). Drosophila suzukii shows a winter morph with increased cold tolerance and larger wings (Shearer et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Disentangling the spread dynamics of insect invasions using spatial networks

et al. 2023

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IntroductionDescribing and understanding spatiotemporal spread patterns in invasive species remains a long-standing interdisciplinary research goal. Here we show how a network-based top-down approach allows the efficient description of the ongoing invasion by Drosophila suzukii in Chile.MethodsTo do so, we apply theoretical graph methods to calculate the minimum cost arborescence graph (MCA) to reconstruct and understand the invasion dynamics of D. suzukii since the first detection in 2017. This method estimates a directed rooted weighted graph by minimizing the total length of the resulting graph. To describe the temporal pattern of spread, we estimate three metrics of spread: the median dispersal rate, the median coefficient of diffusion, and the median dispersal acceleration.ResultsThe estimated MCA shows that over four years, D. suzukii colonized a ~1,000km long strip in the central valley of Chile, with an initial phase with long paths and connections and no clear direction pattern, followed by a clearer north–east propagation pattern. The median dispersal rate for the entire period was 8.8 (7.4–10.6, 95% CI), while the median diffusion coefficient was 19.6 meters2/day (13.6–27.9, 95% CI). The observed spread dynamics and the log-normal distribution of accelerations are consistent with long-distance dispersal events.DiscussionThe complexities of real landscapes cannot be summarized in any model, but this study shows how an alternative top-down approach based on graph theory can facilitate the ecological analysis of the spread of an invasive species in a new territory.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Disentangling the spread dynamics of insect invasions using spatial networks

et al. 2023

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“…It was first detected in the continental United States in 2008 in California and quickly spread to other states (Bolda 2008, Walsh et al 2011, Johnson and O'Neill 2013. In 2022, it was present in all states but Arizona and Nevada, as well as many provinces in Canada (Stacconi 2022). The pest status of D. suzukii stems from its ability to develop in underripe fruit that is still on the plant.…”

Section: Introductionmentioning

confidence: 99%

Survival and nutritional requirements for overwintering Drosophila suzukii (Diptera: Drosophilidae) in Kentucky

McCabe,

Unfried,

Teets

2023

Environmental Entomology

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The ability to cope with novel climates is a key determinant of an invasive species’ success. Drosophila suzukii (Matsumura, 1931) is an invasive fruit pest, and its seasonality varies across its range. Current evidence suggests that D. suzukii occurs year-round in warmer climates but has low overwintering survival in colder climates and relies on refuges or reinvades each spring. Here, we assessed the capacity of D. suzukii ability to overwinter in Kentucky, a temperate mid-latitude state with relatively mild but variable winters. We tracked year-round population changes for 3 yr and observed the highest populations in early winter months. Following an annual population crash in winter, small numbers of flies remained through the late winter and spring. We also conducted outdoor cage studies to determine the extent to which food resources and microhabitat impact survival and postwinter fecundity under natural conditions. Flies with no food had poor survival during the warmest periods of winter, and flies in all treatments had lower survival in the coldest month. Provisioning flies with either artificial diet or wild berries improved survival. As a follow-up, we determined whether D. suzukii could survive and reproduce after long-term exposure to a typical winter temperature on various wild berries. Drosophila suzukii had the highest survival on privet (Ligustrum sp.), but all berry types yielded higher survival than flies without food. Our results suggest that noncrop berries play an important role for overwintering D. suzukii, and as winters warm the availability of wild berries could influence early-season populations.

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“…The high dispersal potential of this pest is partly due to global trade, since infested fruits appear intact and healthy and are consequently shipped worldwide (Cini et al, 2012). In addition, recent mark and recapture experiments indicate that once established, D. suzukii shows an exceptional dispersal ability by flying over relatively long distances (up to 9 kilometers within a few weeks) (Tait et al, 2018) Drosophila suzukii is now recorded in more than 34 countries, infesting a wide range of commercial fruit crops (CABI, 2020). To date, the insect has already caused huge economic losses.…”

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Seasonal biology of Drosophila suzukii -Genetic and phenotypic variation in the Netherlands Samenvatting Drosophila suzukii is een schadelijke fruitvliegensoort uit Zuid-Oost Azië die zich recentelijk in Europa en Amerika heeft gevestigd. Sindsdien vormt deze soort een bedreiging voor de wereldwijde fruitindustrie. Dit zeer polyfage insect kan 5 tot 15 generaties per jaar voortbrengen, en tast een breed scala aan fruitgewassen en wilde gastheerplanten aan. De vrouwelijke insecten gebruiken een gekartelde ovipositor om eieren in het vruchtvlees van rijpend fruit te leggen. De larven voeden zich met het vruchtvlees, hetgeen de vruchten dusdanig aantast dat ze niet langer verkoopbaar zijn. Drosophila suzukii wordt tevens gekenmerkt door een hoge fenotypische plasticiteit, waardoor de soort goed bestand is tegen temperatuurfluctuaties die samenhangen met de seizoenswisselingen. Wanneer de ontwikkelingscyclus van de juveniele insecten plaatsvindt in de herfst, ontwikkelen zij zich tot volwassen vliegen met een winter-morfotype (WM), dat wordt gekenmerkt door een sterke abdominale pigmentatie en grotere afmeting. Wanneer deze ontwikkeling daarentegen plaatsvindt in de zomer, zijn de vliegen lichter van kleur en kleiner, overeenkomend met het zomer-morfotype (SM). Deze morfologische aanpassingen gaan gepaard met complexe verschillen in fysiologie en gedrag, waardoor D. suzukii in staat is zijn overlevings-en/of reproductiestrategie te optimaliseren in verschillende omgevingen. De meeste strategieën om dit plaagdier te bestrijden zijn gebaseerd op de toepassing van synthetische breed-spectrum bestrijdingsmiddelen om volwassen D. suzukii-vliegen te verdelgen. Deze chemische bestrijding wordt vaak gecombineerd met maatregelen op het gebied van sanitatie, het massaal wegvangen van de plaaginsecten, en het kort houden van oogst-intervallen. Het herhaaldelijk gebruik van pesticiden verstoort echter niet alleen bestaande programma's op het gebied van geïntegreerde gewasbescherming (IPM, voor integrated pest management), vormt Samenvatting 25 46 Seasonal biology of Drosophila suzukii -Genetic and phenotypic variation in the Netherlands nce upon a time there were two lovely little flies who lived in the province of Yamagata in Japan. They descended from the Drosophila dynasty of Asia and belonged to the house of SUZUKII. They were deeply in lovewith each other and decided to get married. A few days since their marriage, the new bride announced to her husband she had laid an egg in a beautiful raspberry, and the couple was overwhelmed with joy. For ten days they kept waiting impatiently for "Yoko" to arrive, sensing that their firstborn would be a girl.However, on an early morning, the raspberry was stolen from them and carried away on a truck full of fruits. The poor parents were desperate to see their most cherished egg again. Little Yoko did not know what was happening to her. Within a few days, she travelled a lot, protected by the flesh of the raspberry that surrounded the shell of her egg. The trucks, the boats and the plan...

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Drosophila suzukii (spotted wing drosophila)

Abstract: This datasheet on Drosophila suzukii covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

Cited by 7 publications

References 159 publications

Disentangling the spread dynamics of insect invasions using spatial networks

Disentangling the spread dynamics of insect invasions using spatial networks

Survival and nutritional requirements for overwintering Drosophila suzukii (Diptera: Drosophilidae) in Kentucky

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