State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.
School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, Jiangsu Province, China.
Insect Sci. 2020 Aug;27(4):626-645. doi: 10.1111/1744-7917.12721. Epub 2019 Oct 23.
Western flower thrip, Frankliniella occidentalis (Pergande), is among the most economically important agricultural pests globally, attacking a wide range of vegetable and horticultural crops. In addition to causing extensive crop damage, the species is notorious for vectoring destructive plant viruses, mainly belonging to the genera Orthotospovirus, Ilarvirus, Alphacarmovirus and Machlomovirus. Once infected by orthotospoviruses, thrips can remain virulent throughout their lifespan and continue transmitting viruses to host plants when and wherever they feed. These irruptive viral outbreaks in crops will permanently disrupt functional integrated pest management systems, and typically require a remedial treatment involving insecticides, contributing to further development of insecticide resistance. To mitigate against this continuing cycle, the most effective management is early and comprehensive surveillance of the pest species and recognition of plant viruses in the field. This review provides information on the pest status of F. occidentalis, discusses the current global status of the viruses vectored by this thrip species, examines the mechanisms involved in transmitting virus-induced diseases by thrips, and reviews different management strategies, highlighting the potential management tactics developed for various cropping systems. The early surveillance and the utilization of potential methods for control of both F. occidentalis and viruses are proposed.
西方花蓟马，Frankliniella occidentalis (Pergande)，是全球最重要的农业害虫之一，攻击范围广泛的蔬菜和园艺作物。除了造成广泛的作物损害外，该物种还以传播破坏性植物病毒而臭名昭著，主要属于 Orthotospovirus、Ilarvirus、Alphacarmovirus 和 Machlomovirus 属。一旦感染 orthotospoviruses，蓟马在其整个生命周期内都保持毒力，并在它们进食时和任何地方继续将病毒传播给宿主植物。这些在作物中爆发的突发性病毒疫情将永久破坏功能综合害虫管理系统，通常需要涉及杀虫剂的补救治疗，这导致了杀虫剂抗性的进一步发展。为了减轻这种持续的循环，最有效的管理方法是早期全面监测害虫物种，并在现场识别植物病毒。本综述提供了有关 F. occidentalis 害虫状况的信息，讨论了该蓟马物种传播的病毒的当前全球状况，研究了蓟马传播病毒诱导疾病的机制，并回顾了不同的管理策略，强调了为各种种植系统开发的潜在管理策略。提出了早期监测和利用控制 F. occidentalis 和病毒的潜在方法。
