Laboratory evaluation demonstrates predation rates of 81.33% on aphids and 92% on mealybugs in Bhendi crops, suggesting effective pest control.
A study was done at SRM College of Agricultural Sciences (SRMCAS), Baburayanpettai, to find out if the ladybird beetle Coccinella septumpunctata could eat aphids and mealy bugs in Bhendi crops.In a free-choice test, results revealed that aphids were slightly more preferred (94.5%) than mealy bugs (84.82%), when both were exposed together to adults of Coccinella septumpunctata. In the no-choice test, we fed aphids and mealy bugs individually to Coccinella septumpunctata. The prevalence of mealy bugs was 71.33 percent after 24 hours; however, it increased to 92.00 percent after 96 hours. The overall mealy bug consumption varied from 21.4 ± 0.92 to 25.6 ± 0.67 per day. The mean number of aphids consumed by the predator varied from 24.4 ± 0.97 to 27.6 ± 1.16 per day, and the percent predation was 81.33 percent after 24 hours, and it increased to 92.00 percent after 96 hours.
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Loganathan et al. (2025) studied this question.
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