Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures
This study explored the thermal response of <i>Drosophila suzukii</i>, an injurious insect pest present in many countries worldwide, at different controlled conditions. This species is responsible for several economic losses in soft fruit cultivations, develops on ripening fruits, and ha...
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2025-01-01
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| author | Nuray Baser Luca Rossini Gianfranco Anfora Kürşat Mustafa Temel Stefania Gualano Emanuele Garone Franco Santoro |
| author_facet | Nuray Baser Luca Rossini Gianfranco Anfora Kürşat Mustafa Temel Stefania Gualano Emanuele Garone Franco Santoro |
| author_sort | Nuray Baser |
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| description | This study explored the thermal response of <i>Drosophila suzukii</i>, an injurious insect pest present in many countries worldwide, at different controlled conditions. This species is responsible for several economic losses in soft fruit cultivations, develops on ripening fruits, and has the capability to quickly adapt to new territories and climates, closing multiple generations per year. Given its high invasive potential and the increasing need for low-impact control strategies, an in-depth exploration of the biology of this species and of the stage thermal response is fundamental. Specimens of an Italian strain from Apulia were reared in growth chambers at different constant temperatures (6, 9, 13, 18, 20, 24, 25, 26, 27, 28, 29, 31, 32 and 33 °C). The life cycle of each specimen was individually tracked from the egg to the death of the adults, considering the larval stages distinction as well. Besides development and mortality, egg production over temperature has been recorded. The dataset was first analysed according to life tables studies; then, we also estimated the biological parameters of the most common equations describing development, mortality, and fertility involved in physiologically-based model applications. The results confirmed and extended the information on the thermal response already present in the literature, but with reference to a population adapted to warmer climates. The species successfully developed from egg to adult at 13–29 °C, while between 6–9 and 29–33 °C the development was limited to L2/L3 stages. Optimal temperatures are around 26–28 °C, depending on the life stage. This study provides one of the complete overviews of the thermal response of <i>D. suzukii</i>, which is available in the current literature, and opens the door to more accurate modelling frameworks. |
| format | Article |
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| institution | Kabale University |
| issn | 2075-4450 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
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| series | Insects |
| spelling | doaj-art-aab6eef512014f11812b0f952a623aed2025-01-24T13:35:45ZengMDPI AGInsects2075-44502025-01-011616010.3390/insects16010060Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different TemperaturesNuray Baser0Luca Rossini1Gianfranco Anfora2Kürşat Mustafa Temel3Stefania Gualano4Emanuele Garone5Franco Santoro6International Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), 70010 Valenzano, ItalyService d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, 1050 Brussels, BelgiumCenter for Agriculture, Food and Environment (C3A), University of Trento, San Michele all’Adige, 38098 Trento, ItalyInternational Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), 70010 Valenzano, ItalyInternational Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), 70010 Valenzano, ItalyService d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, 1050 Brussels, BelgiumInternational Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), 70010 Valenzano, ItalyThis study explored the thermal response of <i>Drosophila suzukii</i>, an injurious insect pest present in many countries worldwide, at different controlled conditions. This species is responsible for several economic losses in soft fruit cultivations, develops on ripening fruits, and has the capability to quickly adapt to new territories and climates, closing multiple generations per year. Given its high invasive potential and the increasing need for low-impact control strategies, an in-depth exploration of the biology of this species and of the stage thermal response is fundamental. Specimens of an Italian strain from Apulia were reared in growth chambers at different constant temperatures (6, 9, 13, 18, 20, 24, 25, 26, 27, 28, 29, 31, 32 and 33 °C). The life cycle of each specimen was individually tracked from the egg to the death of the adults, considering the larval stages distinction as well. Besides development and mortality, egg production over temperature has been recorded. The dataset was first analysed according to life tables studies; then, we also estimated the biological parameters of the most common equations describing development, mortality, and fertility involved in physiologically-based model applications. The results confirmed and extended the information on the thermal response already present in the literature, but with reference to a population adapted to warmer climates. The species successfully developed from egg to adult at 13–29 °C, while between 6–9 and 29–33 °C the development was limited to L2/L3 stages. Optimal temperatures are around 26–28 °C, depending on the life stage. This study provides one of the complete overviews of the thermal response of <i>D. suzukii</i>, which is available in the current literature, and opens the door to more accurate modelling frameworks.https://www.mdpi.com/2075-4450/16/1/60insect rearinglife historypest modellingpopulation dynamicsspotted wing drosophilathermal development |
| spellingShingle | Nuray Baser Luca Rossini Gianfranco Anfora Kürşat Mustafa Temel Stefania Gualano Emanuele Garone Franco Santoro Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures Insects insect rearing life history pest modelling population dynamics spotted wing drosophila thermal development |
| title | Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures |
| title_full | Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures |
| title_fullStr | Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures |
| title_full_unstemmed | Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures |
| title_short | Thermal Development, Mortality, and Fertility of an Apulian Strain of <i>Drosophila suzukii</i> at Different Temperatures |
| title_sort | thermal development mortality and fertility of an apulian strain of i drosophila suzukii i at different temperatures |
| topic | insect rearing life history pest modelling population dynamics spotted wing drosophila thermal development |
| url | https://www.mdpi.com/2075-4450/16/1/60 |
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