Vol. 9, Issue 1, Part L (2025)

The field trial was conducted at the rainfed Agriculture farm Narayan Bagh, Department of Entomology, Institute of Agricultural Sciences, Bundelkhand University, Jhansi (Uttar Pradesh) during the kharif season July to October 2023-2024 investigation entitled “Population dynamics of insect pests of groundnut, and management of leaf minor Aproaerema modicella (Deventer) on groundnut by different insecticide” the experiment was laid in Randomized block design with nine treatments replicated thrice along with a control plot to check the management of selected insecticide against leaf minor Aproaerema modicella. According to the population results, the leaf minor Aproaerema modicella. started in the 30th standard week (the third week of July) with an average of 1.23 larvae per plant and gradually increased and peaked at 7.41 larvae per plant in the 33rd standard week (the fourth week of august). aphids, Aphis gossypii crop began in the 30th standard week (the first week of August) with an average of 1.30 aphids per plant and gradually increased it peaked at 7.14 aphids per plant during the 37th standard week (the second week of September). The tobacco catterpiller, began in the 30th standard week (the first week of August) with an average of 0.70 catterpiller per plant and gradually increased they peaked at 2.10 catterpiller per plant in the 32nd standard week (the third week of September). jassid, was first observed in the 30th standard week (the second week of August), with an average of 2.13 jassid per plant. And gradually increased it peaked at 8.22 jassid per plant during the 36^th standard week (the second week of September).