Investigating the Parasitoid Community Associated with the Invasive Mealybug Phenacoccus solenopsis in Southern China.
Investigating the Parasitoid Community Associated with the Invasive Mealybug Phenacoccus solenopsis in Southern China.
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调查华南地区与入侵性粉蚧粉虱相关的寄生蜂群落
DOI：
10.3390/insects12040290
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发表时间：
2021-03-26
期刊：
影响因子：
3
通讯作者：
Zhang YZ
中科院分区：
文献类型：
--
作者：
Chen HY;Li HL;Pang H;Zhu CD;Zhang YZ
简单总结 棉粉蚧 Phenacoccus sonopsis Tinsley（半翅目：拟球虫科）是中国一种新出现的入侵害虫。膜翅目寄生蜂具有作为生物制剂抑制田间 P.solenopsis 种群的巨大潜力。我们采用物种定界的综合方法，将形态学与分子数据相结合，调查了与中国南方的 P.solenopsis 相关的寄生蜂群落。基于形态学和分子证据，我们鉴定了属于 4 科 11 属的 18 种膜翅目寄生蜂。其中，8 种为初级寄生蜂，其中 Aenasius arizonensis (Girault)（膜翅目：寄生蜂科）为优势类群，而其他 10 种可能为超寄生蜂。这些发现有助于利用这些寄生蜂对红火蚁进行生物防治。摘要 棉粉蚧Phenacoccus sonopsis Tinsley（半翅目：拟球虫科）是我国一种新出现的入侵害虫。膜翅目寄生蜂是抑制田间 P.solenopsis 种群的关键生物，因此可用作生物制剂。准确识别相关寄生蜂是评估其在生物防治中潜在作用的关键步骤。在这项研究中，我们利用物种定界的综合方法，结合形态学和分子数据，促进了对 P.solenopsis 寄生蜂组成的鉴定。基于线粒体细胞色素c氧化酶1（COI）基因和28S rDNA的形态学检查和分子物种界定，使用自动条形码间隙发现（ABGD）和贝叶斯泊松树过程模型（bPTP），识别了属于4科11属的18种膜翅目寄生蜂。其中，8 种为初级寄生类，以 Aenasius arizonensis (Girault)（膜翅目：昆虫科）为优势类群，而其他 10 种可能为超寄生类，其中以 Cheiloneurus nankingensis Li & Xu（膜翅目：昆虫科）为主。这些结果表明，与中国红火蚁相关的寄生蜂是多种多样的，本研究中应用的综合分类方法可以增强对这些寄生蜂的准确识别，这应该在未来的生物防治计划中进行评估。
Simple Summary The cotton mealybug Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is an emerging invasive insect pest in China. Hymenopteran parasitoids have great potential to be used as biological agents to suppress the populations of P. solenopsis in the field. We used an integrated approach of species delimitation, combining morphology with molecular data, to investigate the parasitoid community associated with P. solenopsis from south China. On the basis of both morphological and molecular evidence, we identified 18 hymenopteran parasitoid species belonging to 11 genera of four families. Among these species, eight species are primary parasitoids with Aenasius arizonensis (Girault) (Hymenoptera: Encyrtidae) being the dominant taxon, while the other 10 species are probably hyperparasitoids. These findings can assist in the utility of these parasitoids in the biological control of P. solenopsis. Abstract The cotton mealybug Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae), is an emerging invasive insect pest in China. Hymenopteran parasitoids are the key organisms for suppressing populations of P. solenopsis in the field, and therefore could be used as biological agents. Accurate identification of the associated parasitoids is the critical step to assess their potential role in biological control. In this study, we facilitated the identification of the parasitoid composition of P. solenopsis using an integrated approach of species delimitation, combining morphology with molecular data. Eighteen Hymenoptera parasitoid species belonging to 11 genera of four families are recognized based on morphological examination and molecular species delimitation of the mitochondrial cytochrome c oxidase 1 (COI) gene and the 28S rDNA using the automatic barcode gap discovery (ABGD) and the Bayesian Poisson tree processes model (bPTP). Among these species, eight species are primary parasitoids with Aenasius arizonensis (Girault) (Hymenoptera: Encyrtidae) being the dominant taxon, while the other 10 species are probably hyperparasitoids, with a prevalence of Cheiloneurus nankingensis Li & Xu (Hymenoptera: Encyrtidae). These results indicate that parasitoid wasps associated with P. solenopsis from China are diverse and the integrated taxonomic approach applied in this study could enhance the accurate identification of these parasitoids that should be assessed in future biological control programs.
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影响因子：
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