Pan Hongsheng, Liu Bing, Lu Yanhui, Wyckhuys Kris A G
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.
International Center for Tropical Agriculture CIAT-Asia, Hanoi, Vietnam.
PLoS One. 2015 Feb 18;10(2):e0117153. doi: 10.1371/journal.pone.0117153. eCollection 2015.
In herbivorous insects, host plant switching is commonly observed and plays an important role in their annual life cycle. However, much remains to be learned about seasonal host switching of various pestiferous arthropods under natural conditions. From 2006 until 2012, we assessed Apolygus lucorum (Meyer-Dür) host plant use in successive spring, summer and winter seasons at one single location (Langfang, China). Data were used to quantify changes in host plant breadth and host fidelity between seasons. Host fidelity of A. lucorum differed between seasons, with 87.9% of spring hosts also used in the summer and 36.1% of summer hosts used in winter. In contrast, as little as 25.6% host plant species were shared between winter and spring. Annual herbaceous plants are most often used for overwintering, while perennial woody plants are relatively important for initial population build-up in the spring. Our study contributes to an improved understanding of evolutionary interactions between A. lucorum and its host plants and lays the groundwork for the design of population management strategies for this important pest in myriad crops.
在植食性昆虫中，寄主植物转换现象普遍存在，并且在它们的年生活史中起着重要作用。然而，在自然条件下，关于各种有害节肢动物的季节性寄主转换仍有许多有待了解之处。从2006年到2012年，我们在一个地点（中国廊坊）连续的春、夏、冬三季评估了绿盲蝽（Meyer-Dür）对寄主植物的利用情况。数据用于量化不同季节间寄主植物广度和寄主专一性的变化。绿盲蝽的寄主专一性在不同季节有所不同，春季寄主中有87.9%在夏季也被利用，夏季寄主中有36.1%在冬季被利用。相比之下，冬季和春季之间仅有25.6%的寄主植物种类相同。一年生草本植物最常被用于越冬，而多年生木本植物对春季初始种群的建立相对重要。我们的研究有助于更好地理解绿盲蝽与其寄主植物之间的进化相互作用，并为设计针对这种在多种作物上造成危害的重要害虫的种群管理策略奠定基础。
