Phenology, population trends and natural enemy complex of Illinoia liriodendri in Spain

IF 1.5 3区农林科学 Q2 AGRONOMY

Phytoparasitica Pub Date : 2024-03-20 DOI:10.1007/s12600-024-01145-7

Roberto Meseguer, Filipe Madeira, Nickolas G. Kavallieratos, Xavier Pons

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Abstract

Illinoia liriodendri (Monell) (Hemiptera: Aphididae) is an Eastern North American native aphid species that infests ornamental tulip trees, Liriodendron tulipifera L. (Magnoliales: Magnoliaceae), in many localities of Spain and southern Europe. This is a comprehensive three-year study on the biology and ecology of the aphid, where its life cycle, phenology, population dynamic trends, comfort damages, natural enemy complex and its potential to control aphid populations have been investigated for the first time in Europe. The monoecic-holocyclic annual cycle of I. liriodendri has been demonstrated. The highest infestation levels were recorded in May and June, but infestation severity varied among localities. No clear trend regarding the effect of planting site (pit vs. ground) on aphid abundance was observed. A strong positive relationship between the aphid infestation severity and the honeydew dripping was recorded. There was a wide complex of natural enemies associated with the aphid. Coccinellidae were the most abundant predators (< 95%) and showed a positive numerical response to the aphid infestation. Several parasitoid species (mainly Hymenoptera: Aphidiinae and Hymenoptera: Aphelinidae) were found parasitizing I. liriodendri in Spain. The role of natural enemies as agents for controlling the aphid populations is discussed.

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西班牙 Illinoia liriodendri 的物候学、种群趋势和天敌复合体

Illinoia liriodendri (Monell) (Hemiptera: Aphididae) 是北美东部的一种本地蚜虫，在西班牙和南欧许多地方为害观赏郁金香树 Liriodendron tulipifera L.（木兰科：木兰属）。这是一项为期三年的关于蚜虫生物学和生态学的综合研究，首次在欧洲调查了蚜虫的生命周期、物候、种群动态趋势、舒适性损害、天敌复合体及其控制蚜虫种群的潜力。研究证明了 I. liriodendri 的单周期-全周期年周期。5 月和 6 月的虫害水平最高，但各地的虫害严重程度不同。种植地点（地坑与地面）对蚜虫数量的影响没有明显的趋势。蚜虫严重程度与蜜露滴落量之间存在很强的正相关关系。与蚜虫相关的天敌种类繁多。蚜蝇科（Coccinellidae）是数量最多的天敌（占 95%），其数量与蚜虫数量呈正相关。在西班牙发现了几种寄生虫（主要是膜翅目：蚜科和膜翅目：蚜科）寄生于 I. liriodendri。讨论了天敌作为控制蚜虫种群的媒介的作用。

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来源期刊

Phytoparasitica 生物-植物科学

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Phytoparasitica is an international journal on Plant Protection, that publishes original research contributions on the biological, chemical and molecular aspects of Entomology, Plant Pathology, Virology, Nematology, and Weed Sciences, which strives to improve scientific knowledge and technology for IPM, in forest and agroecosystems. Phytoparasitica emphasizes new insights into plant disease and pest etiology, epidemiology, host-parasite/pest biochemistry and cell biology, ecology and population biology, host genetics and resistance, disease vector biology, plant stress and biotic disorders, postharvest pathology and mycotoxins. Research can cover aspects related to the nature of plant diseases, pests and weeds, the causal agents, their spread, the losses they cause, crop loss assessment, and novel tactics and approaches for their management.