Occurrence, distribution and description of Harmonia dimidiata (Fabricius), a predacious Coccinellid from West Bengal, India

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dc.contributor.authorMajumder, T.en_US
dc.contributor.authorRoy, K.en_US
dc.date.accessioned2025-05-12T10:14:25Z
dc.date.available2025-05-12T10:14:25Z
dc.date.issued2024-12
dc.description.abstractAim: To provide information about the occurrence and distribution of Harmonia dimidiata from West Bengal and facilitate the identification of species based on morpho-taxonomy. Methodology: Survey was done in different agro-climatic zones of West Bengal. Specimens were procured from their associated host plants, brought to the laboratory and investigated for taxonomic characters. Results: The morpho-taxonomy of H. dimidiata, as well as its host record, and distribution, were fully explained in the present investigation. It is most common in hill, terai, and old alluvial zone of West Bengal. They have been observed preying on Rhopalosiphum maidis (Fitch) in corn and Aphis gossypii (Glover). Interpretation: H. dimidiata population were recorded during survey from four different agro-climatic zones of West Bengal. They were observed to be preyed upon A. gossypii and R. maidis. The information about the biodiversity of H. dimidiata and their role as predator of numerous agriculturally important crop pests are extremely valuable that enrich our knowledge and immensely help in devising a pest management programme considering them as an important biocontrol agent. Furthermore, research on their biodiversity aids in learning about the predaceous behaviour in connection with the pest and crop populations, their reproduction and occurrence. This information is indeed praiseworthy while exploiting the ladybird species, H. dimidiata for a commercial biocontrol operation.en_US
dc.identifier.affiliationsDepartment of Entomology, F./Ag., Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741 252, Indiaen_US
dc.identifier.affiliationsDepartment of Entomology, F./Ag., Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741 252, Indiaen_US
dc.identifier.citationMajumder T., Roy K. . Occurrence, distribution and description of Harmonia dimidiata (Fabricius), a predacious Coccinellid from West Bengal, India. Journal of Environmental Biology. 2024 Dec; 45(6): 730-736en_US
dc.identifier.issn0254-8704
dc.identifier.issn2394-0379
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/247532
dc.languageenen_US
dc.publisherTriveni Enterprisesen_US
dc.relation.issuenumber6en_US
dc.relation.volume45en_US
dc.source.urihttps://doi.org/10.22438/jeb/45/6/MRN-5344en_US
dc.subjectColeopteraen_US
dc.subjectCoccinellidaeen_US
dc.subjectHarmonia dimidiataen_US
dc.subjectPredaceousen_US
dc.subjectWest Bengalen_US
dc.titleOccurrence, distribution and description of Harmonia dimidiata (Fabricius), a predacious Coccinellid from West Bengal, Indiaen_US
dc.typeJournal Articleen_US
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