Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i>
Parasitoid wasps are vital for biological control, and while new species continue to be discovered, evaluating their biological characteristics is crucial for realizing their potential for pest management. <i>Pachycrepoideus vindemiae</i> (Rondani) (Hymenoptera: Pteromalidae) is a well-s...
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2025-07-01
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| author | Ziwen Teng Yiting Wang Minghao Jiang Yikun Zhang Xintong Wang Fanghao Wan Hongxu Zhou |
| author_facet | Ziwen Teng Yiting Wang Minghao Jiang Yikun Zhang Xintong Wang Fanghao Wan Hongxu Zhou |
| author_sort | Ziwen Teng |
| collection | DOAJ |
| description | Parasitoid wasps are vital for biological control, and while new species continue to be discovered, evaluating their biological characteristics is crucial for realizing their potential for pest management. <i>Pachycrepoideus vindemiae</i> (Rondani) (Hymenoptera: Pteromalidae) is a well-studied parasitoid of dipteran pests, while <i>Trichomalopsis ovigastra</i> Sureshan & Narendran (Hymenoptera: Pteromalidae) has been only morphologically described. To assess its biocontrol potential, we compared the biological traits of <i>T. ovigastra</i> and <i>P. vindemiae</i> using <i>Drosophila melanogaster</i> Meigen (Diptera: Drosophilidae) and <i>Bactrocera dorsalis</i> (Hendel) (Diptera: Tephritidae) as hosts. <i>T. ovigastra</i> showed significantly higher parasitism rates, especially against <i>B. dorsalis</i>, where <i>T. ovigastra</i> achieved nearly 50% parasitism, compared to less than 0.3% by <i>P. vindemiae</i>. When using <i>D. melanogaster</i> as the host, no significant differences were observed between <i>T. ovigastra</i> and <i>P. vindemiae</i> in offspring sex ratio or adult longevity; however, <i>T. ovigastra</i> exhibited a shorter developmental duration and greater tolerance to temperature extremes, starvation, and desiccation. Notably, <i>B. dorsalis</i> has expanded its range from southern to northern China; however, no native parasitoids of this pest have been reported in the newly invaded northern regions. <i>T. ovigastra</i>, collected from northern orchards and capable of parasitizing <i>B. dorsalis</i>, thus shows promise as a biocontrol agent. These findings highlight the potential of locally occurring parasitoids, although field validation is still required. |
| format | Article |
| id | doaj-art-692f8f7445a84b6187bf0f85669a533d |
| institution | DOAJ |
| issn | 2075-4450 |
| language | English |
| publishDate | 2025-07-01 |
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| series | Insects |
| spelling | doaj-art-692f8f7445a84b6187bf0f85669a533d2025-08-20T02:45:43ZengMDPI AGInsects2075-44502025-07-0116770810.3390/insects16070708Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i>Ziwen Teng0Yiting Wang1Minghao Jiang2Yikun Zhang3Xintong Wang4Fanghao Wan5Hongxu Zhou6Shandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, Shandong Province Laboratory for Biological Invasions and Ecological Security, China-Australia Cooperative Research Center for Crop Health and Biological Invasions, College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, ChinaParasitoid wasps are vital for biological control, and while new species continue to be discovered, evaluating their biological characteristics is crucial for realizing their potential for pest management. <i>Pachycrepoideus vindemiae</i> (Rondani) (Hymenoptera: Pteromalidae) is a well-studied parasitoid of dipteran pests, while <i>Trichomalopsis ovigastra</i> Sureshan & Narendran (Hymenoptera: Pteromalidae) has been only morphologically described. To assess its biocontrol potential, we compared the biological traits of <i>T. ovigastra</i> and <i>P. vindemiae</i> using <i>Drosophila melanogaster</i> Meigen (Diptera: Drosophilidae) and <i>Bactrocera dorsalis</i> (Hendel) (Diptera: Tephritidae) as hosts. <i>T. ovigastra</i> showed significantly higher parasitism rates, especially against <i>B. dorsalis</i>, where <i>T. ovigastra</i> achieved nearly 50% parasitism, compared to less than 0.3% by <i>P. vindemiae</i>. When using <i>D. melanogaster</i> as the host, no significant differences were observed between <i>T. ovigastra</i> and <i>P. vindemiae</i> in offspring sex ratio or adult longevity; however, <i>T. ovigastra</i> exhibited a shorter developmental duration and greater tolerance to temperature extremes, starvation, and desiccation. Notably, <i>B. dorsalis</i> has expanded its range from southern to northern China; however, no native parasitoids of this pest have been reported in the newly invaded northern regions. <i>T. ovigastra</i>, collected from northern orchards and capable of parasitizing <i>B. dorsalis</i>, thus shows promise as a biocontrol agent. These findings highlight the potential of locally occurring parasitoids, although field validation is still required.https://www.mdpi.com/2075-4450/16/7/708biological control<i>Trichomalopsis ovigastra</i><i>Pachycrepoideus vindemiae</i><i>Drosophila melanogaster</i><i>Bactrocera dorsalis</i> |
| spellingShingle | Ziwen Teng Yiting Wang Minghao Jiang Yikun Zhang Xintong Wang Fanghao Wan Hongxu Zhou Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> Insects biological control <i>Trichomalopsis ovigastra</i> <i>Pachycrepoideus vindemiae</i> <i>Drosophila melanogaster</i> <i>Bactrocera dorsalis</i> |
| title | Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> |
| title_full | Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> |
| title_fullStr | Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> |
| title_full_unstemmed | Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> |
| title_short | Evaluation of Pupal Parasitoids <i>Trichomalopsis ovigastra</i> and <i>Pachycrepoideus vindemiae</i> as Potential Biological Control Agents of <i>Bactrocera dorsalis</i> |
| title_sort | evaluation of pupal parasitoids i trichomalopsis ovigastra i and i pachycrepoideus vindemiae i as potential biological control agents of i bactrocera dorsalis i |
| topic | biological control <i>Trichomalopsis ovigastra</i> <i>Pachycrepoideus vindemiae</i> <i>Drosophila melanogaster</i> <i>Bactrocera dorsalis</i> |
| url | https://www.mdpi.com/2075-4450/16/7/708 |
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