Factors influencing oviposition behaviour of the invasive pest, <i>Drosophila suzukii</i>, derived from interactions with other <i>Drosophila</i> species: potential applications for control

Tungadi, Trisna; Powell, Glen; Shaw, Bethan; Fountain, Michelle

doi:10.1002/ps.7693

Cited by 9 publications

(5 citation statements)

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“…It was therefore expected that female flies would not be attracted by larvae from some Drosophila species, as some species combinations could be beneficial and others not ( Durisko, Anderson et al 2014 ). Studies have shown in the case of Drosophila suzukii that females are deterred to oviposit by the presence of D. melanogaster larvae, contrary to the behavior of the species we tested, which suggests that D. suzukii perceives D. melanogaster as a competitor species, modulating the oviposition choice ( Tungadi et al 2022 , 2023 ). Furthermore, our results suggest that D. melanogaster and D. mojavensis females do not distinguish between larvae of different species.…”

Section: Discussioncontrasting

confidence: 71%

“…Drosophilid flies are known to exhibit species-specific chemical cues which they use to communicate intra- and interspecifically ( Antony et al 1985 ; Bartelt et al 1985 ; Ferveur 2005 ; Yew et al 2009 ; Laturney and Billeter 2016 ; Khallaf et al 2021 ; Tungadi et al 2023 ). Here we described the chemistry of eggs, larvae, and mated females from 16 Drosophila species, and we found that the chemical profiles across the larvae species tested is more similar, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…When it comes to communal egg laying, it has been hypothesized that females should be more strongly attracted to cues associated with beneficial larval species, genotypes, and densities ( Beltramí et al 2012 ). The cuticular hydrocarbons (CHCs) of Drosophila species are known to be species specific in composition and at least adult compounds are involved in both intra- and interspecific communication ( Ferveur 2005 ; Khallaf et al 2021 ; Tungadi et al 2022 , 2023 ). It, however, remains open, whether CHCs of Drosophila eggs and larvae are also species specific, and whether gravid female Drosophila respond differentially to the presence of eggs and larvae from different Drosophila species.…”

Section: Introductionmentioning

confidence: 99%

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How conspecific and allospecific eggs and larvae drive oviposition preference in Drosophila

Moreira-Soto,

Khallaf,

Hansson

et al. 2024

Chemical Senses

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Where to lay the eggs is a crucial decision for females as it influences the success of their offspring. Female flies prefer to lay eggs on food already occupied and consumed by larvae, which facilitates social feeding, but potentially could also lead to detrimental interactions between species. Whether females can modulate their attraction to cues associated with different species is unknown. Here we analyzed the chemical profiles of eggs and larvae of 16 Drosophila species, and tested whether Drosophila flies would be attracted to larvae treated food or food with eggs from 6 different Drosophila species. The chemical analyses revealed that larval profiles from different species are strongly overlapping, while egg profiles exhibit significant species-specificity. Correspondingly, female flies preferred to lay eggs where they detected whatever species’ larval cues, while we found a significant oviposition preference only for eggs of some species but not others. Our findings suggest that both larval as well as egg cues present at a given substrate can drive oviposition preference in female flies.

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Section: Discussioncontrasting

confidence: 71%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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How conspecific and allospecific eggs and larvae drive oviposition preference in Drosophila

Moreira-Soto,

Khallaf,

Hansson

et al. 2024

Chemical Senses

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“…The split tomato from which many of these lines were obtained, may have been compromised on the vine by D.suzukii and followed by colonization from the other species. Given the extensive crop damage that invasive D.suzukii does (Tungadi et al 2023), it will be very important to explore the details of the advantages and disadvantages of clustering to this pest.…”

Section: Discussionmentioning

confidence: 99%

Do wild-caught Drosophilids cooperatively forage?

Kuhar,

Williamson,

Yee

et al. 2024

Preprint

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Animals often form organized cooperative foraging groups, where individual members must adhere to specific rules to maintain cohesiveness. These groups face the challenge of managing potential intruders, who may or may not assist in foraging. In semi-liquid food environments, Drosophila larvae learn to synchronize their movements into clusters, which are thought to make feeding more efficient. Individuals who do not synchronize with the group are excluded from the cluster. Whether clustering behavior occurs in wild-caught larvae, and if so, the extent of their selectivity in group membership, remains unknown. Here, we show that clustering occurs across a number of Drosophilid species, and the capacity to join different clusters varies both between and within species. We collected and observed a larval cluster from rotting fruit in the field, yielding seven Drosophilid species. Subsequent tests for clustering on five stable lines from this collection and 20 other inbred wild-caught lines revealed that all species, except D. suzukii, exhibit clustering behavior. Each line demonstrates varying capacities to become members of different clusters. Additionally, combinations of wild species with lab benchmark strains give varied outcomes in resultant adult fitness. The ability to co-cluster varies between and within species boundaries. However, fly lines that cluster with another tend to impart fitness both to themselves and their host. Our findings demonstrate that multiple species of fly larvae can co-cluster, with variations in clustering ability likely due to genetic factors. This behavior tends to confer mutual benefits to cluster members, suggesting significant ecological implications in Drosophila communities.

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“…Indeed, H. uvarum plays an important role in the nutritional physiology, host attraction behaviour, oviposition and survival of D. suzukii (Bellutti et al, 2018;Mori et al, 2017;Scheidler et al, 2015;Tungadi et al, 2023). The presence of yeasts or yeast culture media in insecticide spray applications can result in an increase in the efficacy of several different classes of insecticides (Bianchi et al, 2020;Rehermann et al, 2022;Spitaler et al, 2022).…”

mentioning

confidence: 99%

Fly responses to food colour, orientation and toxic bait composition in Drosophila suzukii

Lasa,

Aguas‐Lanzagorta,

Williams

2024

J Applied Entomology

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Toxic baits comprising a combination of food attractants and a toxicant could contribute to the control of the spotted wing drosophila, Drosophila suzukii (Diptera: Drosophilidae), a major invasive pest of soft fruit and berries. Laboratory cage experiments revealed that flies of both sexes were significantly more attracted to dried red droplets of 0.3% sucrose solution and were more likely to consume red‐coloured droplets compared to blue, green or colourless droplets. Flies of both sexes showed a tendency to feed on dried droplets placed on the floor of the cage rather than droplets presented upside‐down on the roof or on the cage side‐wall. When offered commercial insecticides (5–50 parts per million active ingredient) in dried sucrose solution, fly mortality of both sexes was highest in the spinosad treatment, lowest in abamectin and intermediate in deltamethrin and spinetoram‐based products. Male flies had significantly higher mortality than females. A mixture of 25 ppm spinosad with 1.3% sucrose +1.3% corn syrup +1.3% glycerol (named 4% mixture) was consumed by female flies more than any of the components alone. Addition of 1% apple juice to the 4% mixture resulted in an additional increase in spinosad‐induced mortality. In contrast, the addition of apple cider vinegar, increasing concentrations of apple juice (5%–10%), or the addition of the yeasts Saccharomyces cerevisiae or Hanseniaspora uvarum (5 × 106 cells/mL) did not increase fly mortality for reasons that were unclear. We conclude that the combination of 4% mixture +1% apple juice could prove to be a useful bait for the delivery of spinosad or other biorational insecticides for D. suzukii control, although this requires field testing in commercial fruit production settings.

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Factors influencing oviposition behaviour of the invasive pest, Drosophila suzukii, derived from interactions with other Drosophila species: potential applications for control

Cited by 9 publications

References 123 publications

How conspecific and allospecific eggs and larvae drive oviposition preference in Drosophila

How conspecific and allospecific eggs and larvae drive oviposition preference in Drosophila

Do wild-caught Drosophilids cooperatively forage?

Fly responses to food colour, orientation and toxic bait composition in Drosophila suzukii

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