Voracity of Nesidiocoris tenuis (Hemiptera: Miridae) for Bemisia tabaci (Hemiptera: Aleyrodidae) and Thrips palmi (Thysanoptera: Thripidae) and its functional response to the density of B. tabaci

IF 1.2 4区农林科学 Q2 ENTOMOLOGY

Applied Entomology and Zoology Pub Date : 2025-06-06 DOI:10.1007/s13355-025-00911-1

Natsuki Hashimoto, Eizi Yano, Takahito Watanabe, Lia Hemerik, Ikuo Kandori

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Abstract

Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) is a zoophytophagous mirid predator that has recently been commercialised for augmentation biological control in Japanese greenhouses. This predator species is expected to control both Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) and Thrips palmi Karny (Thysanoptera: Thripidae) on vegetables grown in greenhouses throughout Japan. Studies on the predatory efficacy of N. tenuis are essential for assessing the effectiveness in terms of biological control in greenhouses. The voracity (the daily maximum predation) of N. tenuis for B. tabaci and T. palmi of different stages and the functional response to the density of B. tabaci nymphs were assessed in a controlled environment. Nesidiocoris tenuis nymphs and females exhibited high voracity for both B. tabaci nymphs and T. palmi larvae. Females reached peak voracity at 462.4 ± 72.8 on B. tabaci first-/second-instar nymphs. The voracity of N. tenuis nymphs increased with the development and that of fifth instar nymphs were not significantly different from females. Nesidiocoris tenuis females reached peak voracity (61.9 ± 5.2) on T. palmi second-instar larvae and both the fourth-instar nymphs and females of N. tenuis showed higher voracity for T. palmi second-instar larvae than for T. palmi adults. Moreover, the N. tenuis females exhibited a type III functional response to the density of B. tabaci first-/second-instar nymphs. The voracity and the functional response will be used as input to a prey–predator models for the quantitative evaluation of biological control by N. tenuis in greenhouses.

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烟粉虱（半翅目：粉虱科）对烟粉虱（半翅目：粉虱科）和棕榈蓟马（翅目：蓟马科）的捕食量及其对烟粉虱密度的功能响应

小蠹蛾（半翅目：小蠹科）是一种植食性小蠹捕食者，最近在日本的温室中被商业化用于加强生物防治。该掠食性物种有望控制日本各地温室蔬菜上的烟粉虱（半翅目：烟粉虱科）和棕榈蓟马（翅目：蓟马科）。研究小蠹蛾的捕食性对评价温室生物防治效果具有重要意义。在控制环境下，测定了不同阶段黄颡鱼对烟粉虱和棕榈粉虱的日最大捕食量及对烟粉虱若虫密度的功能响应。线虫若虫和雌虫对烟粉虱若虫和棕榈螟幼虫均表现出较高的贪食性。雌虫对烟粉虱一/二龄若虫的食欲峰值为462.4±72.8。蛛丝若虫的贪婪度随发育而增加，五龄若虫的贪婪度与雌若虫无显著差异。雌蚕对棕榈二龄幼虫的贪婪度最高（61.9±5.2），四龄若虫和雌蚕对棕榈二龄幼虫的贪婪度均高于成蚊。此外，雌蛛对烟粉虱一/二龄若虫的密度表现出III型功能响应。在温室环境下，利用小褐家鼠的贪婪度和功能反应作为输入，建立了一种捕食-捕食模型，用于定量评价小褐家鼠的生物防治效果。

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来源期刊

Applied Entomology and Zoology 生物-昆虫学

CiteScore

2.70

自引率

7.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Applied Entomology and Zoology publishes articles concerned with applied entomology, applied zoology, agricultural chemicals and pest control in English. Contributions of a basic and fundamental nature may be accepted at the discretion of the Editor. Manuscripts of original research papers, technical notes and reviews are accepted for consideration. No manuscript that has been published elsewhere will be accepted for publication.