评估中国三种本地毛翅目昆虫用于生物防治Tuta absoluta的适宜性

IF 5.6 1区农林科学 Q1 ENTOMOLOGY

Entomologia Generalis Pub Date : 2024-04-18 DOI:10.1127/entomologia/2024/2302

Zheng-Xiong Jiang, Shun-Wen Zhou, Ying Sun, Kun Zou, Tian-Ai Li, Jin-Long Zhang, Guo-Hua Chen, Xiao-Ming Zhang

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引用次数: 0

摘要

Tuta absoluta (Meyrick) （鳞翅目：蝼蛄）是一种外来入侵物种，给中国番茄产业造成了重大损失。一直以来，杀虫剂被广泛用于控制 Tuta absoluta，但经常发现抗药性种群。生物防治是预防和控制 T. absoluta 的一种可持续的有效方法。寄生于膜翅目 Trichogrammatidae 科的卵寄生虫已被确定为控制 T. absoluta 的潜在生物选择。在本研究中，我们的目的是找出中国当地对绝对蓟马具有最佳生物防治能力的优势蓟马种类。为此，我们在实验室中进行了寄主偏好实验，比较了三种Trichogramma对绝对拟南芥的选择性和后代数量。我们还通过评估Trichogramma的寄生能力及其后代在不同寄主上的行为，评估了它们对T. absoluta的适应性。与Trichogramma chilonis和Trichogramma dendrolimi相比，Trichogramma ostriniae对T. absoluta卵的偏好度明显更高，产生的后代数量也更多。寄生在 T. absoluta 卵中的雌性 T. ostriniae 的出现率和比例均高于其他两个种，T. ostriniae 后代的畸形率仅为 3.00%。此外，T. ostriniae 的幼虫期最短，成虫期最长。总之，T. ostriniae 是一种很有前途的中国本土生物防治药剂，可防治绝对拟南芥。

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Assessment of the suitability of three native Trichogramma species for biological control of Tuta absoluta in China

Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is an invasive alien species that causes major losses in the Chinese tomato industry. Historically, insecticides have been used extensively to control T. absoluta, but resistant populations have been frequently detected. Biological control represents a sustainable and effective method with which to prevent and control T. absoluta. Egg parasitoids from the family of Trichogrammatidae (Hymenoptera) have been identified as potential biological option for controlling of T. absoluta. In the present study, we aimed to identify local dominant Trichogramma species that exhibited the best biological control ability against T. absoluta in China. To accomplish this, we compared the selectivity and number of offspring of three Trichogramma species to T. absoluta by performing host preference experiments in the laboratory. We also evaluated the fitness of Trichogramma against T. absoluta by assessing the parasitic ability and behavior of their offspring on different hosts. Compared with Trichogramma chilonis and Trichogramma dendrolimi, Trichogramma ostriniae exhibited a significantly greater preference to T. absoluta eggs and produced a higher number of offspring. The emergence rate and proportion of female T. ostriniae parasitizing the eggs of T. absoluta was higher than that of the other two Trichogramma species, the rate of T. ostriniae offspring deformity was only 3.00%. In addition, T. ostriniae has shortest immature stage and the longest adult stage among the three species. In conclusion T. ostriniae can be a promising native biological control agent against T. absoluta in China.

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来源期刊

Entomologia Generalis 生物-昆虫学

CiteScore

7.10

自引率

18.80%

发文量

审稿时长

>12 weeks

期刊介绍： Its scope covers all aspects of basic and applied research dealing with insects and more broadly with arthropods inhabiting wild, agricultural and/or urban habitats. The journal also considers research integrating various disciplines and issues within the broad field of entomology and ecology. Entomologia Generalis publishes high quality research articles on advances in knowledge on the ecology and biology of arthropods, as well as on their importance for key ecosystems services, e.g. as biological control and pollination. The journal devotes special attention to contributions providing significant advances (i) on the fundamental knowledge and on sustainable control strategies of arthropod pests (including of stored products) and vectors of diseases, (ii) on the biology and ecology of beneficial arthropods, (iii) on the spread and impact of invasive pests, and (iv) on potential side effects of pest management methods. Entomologia Generalis welcomes review articles on significant developments in the field of entomology. These are usually invited by the editorial board, but proposals may be sent to the Editor-in-Chief for preliminary assessment by the editorial board before formal submission to the journal. The journal also considers comments on papers published in Entomologia Generalis, as well as short notes on topics that are of broader interest.