Thermal Tolerances of the Spotted-Wing Drosophila<i>Drosophila suzukii</i>(Diptera: Drosophilidae)

Ryan, Geraldine D.; Emiljanowicz, Lisa M.; Wilkinson, Francesca; Kornya, Melanie; Newman, Jonathan A.

doi:10.1093/jee/tow006

Cited by 107 publications

(119 citation statements)

References 31 publications

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“…Jakobs, Gariepy & Sinclair, 2015; Stephens et al, 2015; Plantamp et al, 2016; Ryan et al, 2016). These data corroborate that SWD is a chill susceptible species that does not tolerate brief exposures to sub-zero temperatures (Kimura, 2004; Dalton et al, 2011; Jakobs, Gariepy & Sinclair, 2015; Ryan et al, 2016; Plantamp et al, 2016). At 0 °C, it required about one day to reach 50% mortality in adults and much less time was needed (approximatively 5 h) in pupae.…”

Section: Discussionmentioning

confidence: 99%

“…For instance, this species is freeze-intolerant and chill-susceptible (Kimura, 2004; Dalton et al, 2011; Jakobs, Gariepy & Sinclair, 2015; Ryan et al, 2016; Plantamp et al, 2016) but has a large thermal tolerance plasticity which likely favors its overwintering (Jakobs, Gariepy & Sinclair, 2015). Another hypothesis for explaining its overwintering success in cold regions is that adults may take refuge into human-made structures or migrate to suitable microclimates during cold periods (Kanzawa, 1939; Kimura, 2004; Cini, Ioratti & Anforta, 2012; Rota-Stabelli, Blaxter & Anfora, 2013; Zerulla et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Jakobs, Gariepy & Sinclair, 2015; Toxopeus et al, 2016), or to a series of low temperatures but with a single duration of exposure ( e.i. Kimura, 2004; Ryan et al, 2016; Wallingford & Loeb, 2016). From a conceptual perspective, this can be questionable as the impact of any stress depends on its intensity and duration.…”

Section: Introductionmentioning

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: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

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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“…It has also been shown that common fruit flies with longer preoviposition duration survive longer under cold than flies with short-retention phenotypes (Boulétreau-Merle and Fouillet, 2002). In contrast, no effect of mating status on the overwintering survival has been found in the social wasp Vespula maculifrons (Hymenoptera: Vespidae) (Kovacs and Goodisman, 2012) and in the invasive fruit fly Drosophila suzukii (Diptera: Drosophilidae) (Ryan et al, 2016). …”

Section: Sourcesmentioning

confidence: 99%

“…In contrast, mated flies are more resistant to starvation than unmated ones (Goenaga et al, 2012). The effect of mating status on cold tolerance is up to now largely unknown (but see Boulétreau-Merle and Fouillet, 2002;Ryan et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Mating Status Influences Cold Tolerance and Subsequent Reproduction in the Invasive Ladybird Harmonia axyridis

Facon¹,

Estoup²,

Hufbauer³

et al. 2017

Front. Ecol. Evol.

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Among arthropods, ability to survive cold conditions may be instrumental for species invading temperate or colder climatic zones. Cold tolerance can be influenced by multiple environmental and physiological factors. We experimentally investigated the effects of mating status (unmated, mated, or mated, and reproductive) on cold tolerance and subsequent reproduction of the invasive harlequin ladybird Harmonia axyridis. We found that unmated adults survived cold better than mated ones. Among mated individuals, those that had not reproduced survived better than those that had reproduced. After cold stress, formerly unmated females were mated, and we evaluated their ability to reproduce. Females that reproduced prior to cold stress were less likely to reproduce after cold stress than females from the other treatments. We discuss what these results mean for the proportion of unmated females in H. axyridis aggregates at overwintering sites. This study highlights the importance of physiological status on cold tolerance of invasive arthropods.

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Interactions among morphotype, nutrition, and temperature impact fitness of an invasive fly

Rendon

Walton

Tait

et al. 2019

Ecology and Evolution

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Invasive animals depend on finding a balanced nutritional intake to colonize, survive, and reproduce in new environments. This can be especially challenging during situations of fluctuating cold temperatures and food scarcity, but phenotypic plasticity may offer an adaptive advantage during these periods. We examined how lifespan, fecundity, pre‐oviposition periods, and body nutrient contents were affected by dietary protein and carbohydrate (P:C) ratios at variable low temperatures in two morphs (winter morphs WM and summer morphs SM) of an invasive fly, Drosophila suzukii. The experimental conditions simulated early spring after overwintering and autumn, crucial periods for survival. At lower temperatures, post‐overwintering WM lived longer on carbohydrate‐only diets and had higher fecundity on low‐protein diets, but there was no difference in lifespan or fecundity among diets for SM. As temperatures increased, low‐protein diets resulted in higher fecundity without compromising lifespan, while high‐protein diets reduced lifespan and fecundity for both WM and SM. Both SM and WM receiving high‐protein diets had lower sugar, lipid, and glycogen (but similar protein) body contents compared to flies receiving low‐protein and carbohydrate‐only diets. This suggests that flies spend energy excreting excess dietary protein, thereby affecting lifespan and fecundity. Despite having to recover from nutrient depletion after an overwintering period, WM exhibited longer lifespan and higher fecundity than SM in favorable diets and temperatures. WM exposed to favorable low‐protein diet had higher body sugar, lipid, and protein body contents than SM, which is possibly linked to better performance. Although protein is essential for oogenesis, WM and SM flies receiving low‐protein diets did not have shorter pre‐oviposition periods compared to flies on carbohydrate‐only diets. Finding adequate carbohydrate sources to compensate protein intake is essential for the successful persistence of D. suzukii WM and SM populations during suboptimal temperatures.

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Thermal Tolerances of the Spotted-Wing DrosophilaDrosophila suzukii(Diptera: Drosophilidae)

Cited by 107 publications

References 31 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

Mating Status Influences Cold Tolerance and Subsequent Reproduction in the Invasive Ladybird Harmonia axyridis

Interactions among morphotype, nutrition, and temperature impact fitness of an invasive fly

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