摘要:The American serpentine leaf miner, Liriomyza trifolii (Burgess) was observed as an important pest of tomato crop. Studies were conducted on the efficacy of selected insecticides against this pest. Larval mining cause greater injury. Among eight insecticides tested for their efficacy against L. trifolii on variety Avinash of tomato, Profenophos 40% + Cypermethrin 4% was found to be the most effective over control, while other insecticides were also showed significant result on the leaf miner infestation.