Ladybird Beetles: Nature’s Allies in Pest Control
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Abstract
Ladybird beetles, known for their vibrant appearance and vital role in pest management, are essential contributors to sustainable agriculture and ecosystem health. This article explores the ecological and agricultural significance of ladybird beetles, focusing on their diverse feeding habits, biocontrol potential, and chemical defenses. The Coccinellidae family, comprising over 6,000 species, includes effective predators of agricultural pests like aphids, mealybugs, and scale insects. These beetles support integrated pest management (IPM) by reducing pesticide reliance and promoting biodiversity. Their alkaloid-based chemical defenses not only protect them from predators but also enhance their value as biocontrol agents. Recent genomic and transcriptomic advancements have provided deeper insights into their predatory behaviours, immune responses, and resilience to environmental stressors. As research continues, ladybird beetles present a promising future for sustainable pest control strategies, with potential applications in minimizing pesticide use and improving crop yields. The article concludes by highlighting the need for continued research to harness the full potential of ladybird beetles in pest management and ecological conservation.
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References
Robertson JA, Ślipiński AD, Moulton M, Shockley FW, Giorgi A, Lord NP, Mckenna DD, Tomaszewska W, Forrester J, Miller KB, Whiting MF. Phylogeny and classification of Cucujoidea and the recognition of a new superfamily Coccinelloidea (Coleoptera: Cucujiformia). Systematic Entomology. 2015 Oct;40(4):745-78.
Zhang SQ, Che LH, Li Y, Liang D, Pang H, Ślipiński A, Zhang P. Evolutionary history of Coleoptera revealed by extensive sampling of genes and species. Nature communications. 2018 Jan 15;9(1):205.
Dixon AF. Insect predator-prey dynamics: ladybird beetles and biological control. Cambridge University Press; 2000.
Hodek I, Honek A, Van Emden HF, editors. Ecology and behaviour of the ladybird beetles (Coccinellidae). John Wiley & Sons; 2012 May 21.
Poorani J. Coccinellidae of the Indian subcontinent. InIndian Insects 2019 Oct 16 (pp. 223-246). CRC Press.
Omkar, Bind RB. Prey quality dependent growth, development and reproduction of a biocontrol agent, Cheilomenes sexmaculata (Fabricius)(Coleoptera: Coccinellidae). Biocontrol Science and Technology. 2004 Nov 1;14(7):665-73.
Omkar. Reproductive Behaviour of Two Aphidophagous Ladybeetles, Cheilomenes sexmaculata and Coccinella transversalis. Insect Science. 2004 Jun;11(2):113-24.
Omkar, Pervez A. Functional and numerical responses of Propylea dissecta (Col., Coccinellidae). Journal of Applied Entomology. 2004 Mar;128(2):140-6.
Siddiqui A, Omkar, Paul SC, Mishra G. Predatory responses of selected lines of developmental variants of ladybird, Propylea dissecta (Coleoptera: Coccinellidae) in relation to increasing prey and predator densities. Biocontrol Science and Technology. 2015 Sep 2;25(9):992-1010.
Omkar, Srivastava S. Influence of six aphid prey species on development and reproduction of a ladybird beetle, Coccinella septempunctata. BioControl. 2003 Aug;48:379-93.
Roy HE, Adriaens T, Isaac NJ, Kenis M, Onkelinx T, Martin GS, Brown PM, Hautier L, Poland R, Roy DB, Comont R. Invasive alien predator causes rapid declines of native European ladybirds. Diversity and Distributions. 2012 Jul;18(7):717-25.
Smith CA, Gardiner MM. Biodiversity loss following the introduction of exotic competitors: does intraguild predation explain the decline of native lady beetles?. PLoS One. 2013 Dec 27;8(12):e84448.
Kenis M, Nacambo S, Van Vlaenderen J, Zindel R, Eschen R. Long term monitoring in Switzerland reveals that Adalia bipunctata strongly declines in response to Harmonia axyridis invasion. Insects. 2020 Dec 12;11(12):883.
Rondoni G, Roman A, Meslin C, Montagné N, Conti E, Jacquin-Joly E. Antennal transcriptome analysis and identification of candidate chemosensory genes of the harlequin ladybird beetle, Harmonia axyridis (Pallas)(Coleoptera: Coccinellidae). Insects. 2021 Mar 2;12(3):209.
Zhang QL, Wang F, Guo J, Deng XY, Chen JY, Lin LB. Characterization of ladybird Henosepilachna vigintioctopunctata transcriptomes across various life stages. Scientific Data. 2018 Jun 5;5(1):1-9.
Zhang Y, Jiang R, Wu H, Liu P, Xie J, He Y, Pang H. Next-generation sequencing-based transcriptome analysis of Cryptolaemus montrouzieri under insecticide stress reveals resistance-relevant genes in ladybirds. Genomics. 2012 Jul 1;100(1):35-41.
Daloze D, Braekman JC, Pasteels JM. Ladybird defence alkaloids: structural, chemotaxonomic and biosynthetic aspects (Col.: Coccinellidae). Chemoecology. 1994 Sep;5:173-83.
Blum MS. The importance of alkaloidal functions. Allelopathy: chemistry and mode of action of allelochemicals. 2004;8:163-81.
Glisan AS. Chemistry of coccinellid beetles. Cornell University; 1995.
Röhrich CR, Ngwa CJ, Wiesner J, Schmidtberg H, Degenkolb T, Kollewe C, Fischer R, Pradel G, Vilcinskas A. Harmonine, a defence compound from the harlequin ladybird, inhibits mycobacterial growth and demonstrates multi-stage antimalarial activity. Biology letters. 2012 Apr 23;8(2):308-11.
Hemptinne JL, Lognay G, Gauthier C, Dixon AF. Role of surface chemical signals in egg cannibalism and intraguild predation in ladybirds (Coleoptera: Coccinellidae). Chemoecology. 2000 Aug;10:123-8.
Pasteels JM. Chemical defence, offence and alliance in ants–aphids–ladybirds relationships. Population Ecology. 2007 Jan;49:5-14.