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The diversity of predatory coccinellids of insect pest of Assam Lemon (<em>Citrus limon</em> L. Burmf) was studied in the citrus orchard of Assam Agricultural University, Jorhat during 2015-2016. Twelve species of coccinellid beetles <em>viz</em>., <em>Coccinella transversalis</em> (Fabricius), <em>Coelophora bowringii</em> (Crotch), <em>Coelophora saucia</em> (Mulsant), <em>Cryptogonus bimaculatus</em> (Kapur), <em>Cryptogonus</em> spp., <em>Cryptolaemus montrouzieri</em> (Mulsant), <em>Harmonia conglobata</em> (Linnaeus), <em>Harmonia dimidiata</em> (Fabricius), <em>Illeis confusa</em> (Timberlake), <em>Propylea</em> spp., <em>Platynaspis kapuri</em> (Chakraborty and Biswas) and Scymnus spp. were recorded feeding on various sucking pests. Among the coccinellids, <em>Coccinella transversalis</em> and <em>Harmonia dimidiata</em> were recorded in maximum number (9.0 and 8.4 per tree respectively) with a relative abundance of 17.79 and 16.60 per cent respectively while <em>Cryptogonus</em> spp. was recorded lowest (0.9 per plant with relative abundance of 01.79 per cent).

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