author(s)
Birjhu, KL Painkra, PK Bhagat, GP Painkra and JK Tiwari

abstract
Field investigation were laid out to test the efficacy of newer insecticides against hadda beetle on spine gourd during kharif 2019-20, result revealed that emamectin benzoate + thiamethoxam 3.0% + 12.0%WG proved to be the best effective treatment with maximum reduction of (0.64 beetle/plant) pest population followed by spinosad 45%SC, emamectin benzoate 5%SG and chlorantraniliprole 18.5%SC with 0.76, 0.81 and 0.94 beetle/plant respectively, being statistically at par with each other, but significantly superior to rest of the treatments. The next level effective treatments novaluron + indoxacarb 0.25% + 4.5%SC (1.11 beetle/plant) and flubendamide 20%WG (1.24 beetle/plant) were being statistically at par with each other, but significantly superior over control (3.07 beetle/plant).