Investigating the toxicity risk of fourteen insecticides to a biocontrol agent Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) compared to its prey Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2025-05-28 DOI:10.1016/j.cropro.2025.107289

Shoaib Hassan , Muhammad Kamran , Sarfraz Ali Shad , Safdar Khalil

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引用次数: 0

Abstract

The green lacewing, Chrysoperla carnea (Stephens), is a generalist predator that suppresses major cotton pests, particularly Phenacoccus solenopsis Tinsley. However, the extensive use of insecticides negatively impacts C. carnea. To evaluate the compatibility of chemical pesticides with C. carnea, we examined the acute toxicity of fourteen insecticides and assessed their safety for C. carnea compared to its prey, P. solenopsis, under laboratory conditions. The results showed that different insecticides fluctuated extensively in their toxicities, and LC_50s ranged from 0.22 mg/L to 1842.91 mg/L. Among all the tested insecticides, the insecticide mixture (profenofos + cypermethrin) exhibited the highest toxicity to C. carnea, being 8376.86 times more toxic than the phenylpyrazole insecticide, fipronil. The results of selectivity ratios revealed that organophosphates, carbamates, and pyrethroids were non-selective with more or similar toxicity to predator and prey were classified as extremely high risk. However, all other tested insecticides were more toxic to prey and selective to predators and were categorized as medium or low risk. These findings can inform strategies that incorporate C. carnea as part of an integrated pest management program for P. solenopsis.

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14种杀虫剂对一种防虫剂的毒性比较研究（神经翅目：瓢虫科）和其捕食物solenopsis麻蚧（半翅目：伪瓢虫科）

绿草蛉，Chrysoperla carnea (Stephens)，是一种综合性捕食者，能抑制主要的棉花害虫，特别是扶桑绵粉球菌。然而，杀虫剂的广泛使用对赤霉病菌产生了不利影响。为了评价化学农药与赤霉素的相容性，我们在实验室条件下检测了14种杀虫剂对赤霉素的急性毒性，并比较了它们对赤霉素的安全性。结果表明，不同杀虫剂的毒力波动较大，lc50在0.22 ~ 1842.91 mg/L之间。在所有被试杀虫剂中，丙虫腈+氯氰菊酯混合杀虫剂对蠋蝽的毒性最高，是苯吡唑类杀虫剂氟虫腈的8376.86倍。选择性比率结果显示，有机磷、氨基甲酸酯和拟除虫菊酯对捕食者具有较高或相近的毒性，对被捕食者具有极高的危险性。然而，所有其他测试的杀虫剂对猎物的毒性更大，对捕食者的选择性更强，被归类为中等或低风险。这些发现可以为将线虫作为螺线管线虫综合虫害管理计划的一部分提供信息。

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

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.