Sublethal and transgenerational effects of synthetic insecticides on the biological parameters and functional response of Coccinella septempunctata (Coleoptera: Coccinellidae) under laboratory conditions

Rahat Afza; Ayesha Afzal; Muhammad Asam Riaz; Muhammad Zeeshan Majeed; Atif Idrees; Ziyad Abdul Qadir; Muhammad Afzal; Babar Hassan; Jun Li

doi:10.3389/fphys.2023.1088712

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Sublethal and transgenerational effects of synthetic insecticides on the biological parameters and functional response of Coccinella septempunctata (Coleoptera: Coccinellidae) under laboratory conditions

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Sublethal and transgenerational effects of synthetic insecticides on the biological parameters and functional response of Coccinella septempunctata (Coleoptera: Coccinellidae) under laboratory conditions

Rahat Afza, Ayesha Afzal, Muhammad Asam Riaz, Muhammad Zeeshan Majeed, Atif Idrees, Ziyad Abdul Qadir, Muhammad Afzal, Babar Hassan and Jun Li

Frontiers in physiology, Vol.14, pp.1-14

2023

DOI: https://doi.org/10.3389/fphys.2023.1088712

PMCID: PMC9885102

PMID: 36726846

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Abstract

coccinellid beetles

functional response

life parameters

seven-spotted lady beetle

sublethal exposure

synthetic insecticides

Synthetic insecticides have been an inevitable part of plant protection throughout the world. Sublethal effects of these chemicals on beneficial insect species are one of the contemporary issues these days. Using the age stage, two sex life table model, this study evaluated the sublethal and transgenerational effects of six synthetic insecticides (imidacloprid, thiamethoxam, lambda cyhalothrin, cypermethrin, chlorpyrifos and profenofos) commonly applied to winter vegetables, on the fitness and predation of the seven-spotted ladybeetle, Coccinella septempunctata, which is an efficient predator of aphids worldwide. According to results, all insecticides at their sublethal doses (LC30) significantly suppressed the emergence of adults, adult weight, fertility and fecundity of the parental generation compared to control treatment. The larval stage was prolonged and oviposition, fecundity and total longevity of the adult beetles were decreased in unexposed progeny whose parents were exposed to sublethal doses of all insecticides. Moreover, the biological parameters of adults, including the intrinsic rate of increase (r), finite rate of increase (λ) and net reproductive rate (R0) were significantly reduced when exposed to sublethal doses of insecticides. The predation rate of the F1 generation adults was also decreased after exposure to the sublethal doses of insecticides. However, chlorpyrifos, profenofos, lambda-cyhalothrin and cypermethrin exhibited more deleterious effects on the fitness and population parameters of beetles than imidacloprid and thiamethoxam.

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Title: Sublethal and transgenerational effects of synthetic insecticides on the biological parameters and functional response of Coccinella septempunctata (Coleoptera: Coccinellidae) under laboratory conditions
Authors: Rahat Afza (Author) - University of Sargodha
Ayesha Afzal (Author) - Guangdong Academy of Sciences
Muhammad Asam Riaz (Author) - University of Sargodha
Muhammad Zeeshan Majeed (Author) - University of Sargodha
Atif Idrees (Corresponding Author) - Guangdong Academy of Sciences
Ziyad Abdul Qadir (Author) - University of Delaware
Muhammad Afzal (Author) - University of Sargodha
Babar Hassan (Author) - University of the Sunshine Coast, Queensland, National Centre for Timber Durability and Design Life
Jun Li (Corresponding Author) - University of Hong Kong
Publication details: Frontiers in physiology, Vol.14, pp.1-14
Publisher: Frontiers Research Foundation
Date published: 2023
DOI: 10.3389/fphys.2023.1088712
ISSN: 1664-042X
PMID: 36726846; PMC9885102
Copyright note: © 2023 Afza, Afzal, Riaz, Majeed, Idrees, Qadir, Afzal, Hassan and Li. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Grant note: 2020GDASYL-20200301003 / GDAS Special Project of Science and Technology Development 2022GDASZH-2022010106 / GDAS Action Capital Project to build a comprehensive industrial technology innovation Center NRPU-11326/ Higher Education Commission of Pakistan (HEC)
Organisation Unit: University of the Sunshine Coast, Queensland; National Centre for Timber Durability and Design Life
Language: English
Record Identifier: 99706098302621
Output Type: Journal article