Nutritional ecology of a predatory stink bug: A comparative analysis of nutrient acquisition from two prey species and an artificial diet

IF 3.7 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biological Control Pub Date : 2024-11-20 DOI:10.1016/j.biocontrol.2024.105662

Jinge Yuan , Jun Xu , Wenting Zhang , Qiao Liu , Ling Luo , Huai Liu , Yaying Li

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引用次数: 0

Abstract

The nutritional content of prey plays a pivotal role in shaping the predatory behavior and effectiveness of natural pest control agents like Eocanthecona furcellata. We assessed the biological performance and life history of E. furcellata on three diets, larvae of Spodoptera frugiperda, larvae of Tenebrio molitor, and an artificial diet. We also analyzed their nutritional content and quantified consumption and nutritional intake by E. furcellata. The three diets differed substantially in water, protein, and fat content. The moisture content of T. molitor larvae was significantly lower (35.0 ± 0.3 %) than that of S. frugiperda larvae (61.0 ± 0.6 %) or the artificial diet (88.7 ± 0.1 %). Female E. furcellata obtained 8.3 mg of protein per day feeding on S. frugiperda, significantly more than on T. molitor (2.4 mg) or the artificial diet (0.4 mg). 15-day fecundity ranged from 140.2 (±9.3) eggs on S. frugiperda, to 103.3 (±4.8) eggs on T. molitor, and 75.1 (±7.1) eggs on the diet. Our study provides insights into the nutritional ecology of E. furcellata and ways to improve the breeding of this beneficial species for augmentation in agricultural applications.

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捕食性蝽的营养生态学：从两种猎物和人工食物中获取营养的比较分析

猎物的营养成分在影响天然害虫控制剂（如毛鳞虫）的捕食行为和效果方面起着关键作用。我们评估了毛鳞虫在三种食物（鞘翅目蚜虫幼虫、天牛幼虫和人工食物）上的生物学表现和生活史。我们还分析了它们的营养成分，并量化了毛鳞鱼的消耗量和营养摄入量。三种食物的水分、蛋白质和脂肪含量差别很大。T.molitor幼虫的水分含量（35.0 ± 0.3 %）明显低于S. frugiperda幼虫（61.0 ± 0.6 %）或人工饲料（88.7 ± 0.1 %）。雌性 E. furcellata 每天摄食 S. frugiperda 可获得 8.3 毫克蛋白质，明显高于 T. molitor（2.4 毫克）或人工饲料（0.4 毫克）。15 天的受精率范围为：摄食 S. frugiperda 的 140.2 (±9.3) 枚卵，摄食 T. molitor 的 103.3 (±4.8) 枚卵，以及摄食人工饲料的 75.1 (±7.1) 枚卵。我们的研究有助于深入了解毛鳞菊的营养生态学，以及如何改进这一有益物种的繁殖，以提高其在农业中的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biological Control 生物-昆虫学

CiteScore

7.40

自引率

7.10%

发文量

220

审稿时长

63 days

期刊介绍： Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies. The aim of Biological Control is to promote this science and technology through publication of original research articles and reviews of research and theory. The journal devotes a section to reports on biotechnologies dealing with the elucidation and use of genes or gene products for the enhancement of biological control agents. The journal encompasses biological control of viral, microbial, nematode, insect, mite, weed, and vertebrate pests in agriculture, aquatic, forest, natural resource, stored product, and urban environments. Biological control of arthropod pests of human and domestic animals is also included. Ecological, molecular, and biotechnological approaches to the understanding of biological control are welcome.