Clothianidin-d 3 is the deuterium labeled Clothianidin.Clothianidin-d 3 is a neonicotinoid insecticide. Clothianidin-d 3 shows excellent long-term control effect in small doses against various insect pests such as Coleoptera, Thysanoptera, Lepidoptera, Diptera, Homoptera, Heteroptera, Orthoptera and Isoptera families. Clothianidin-d 3 has various application methods and high safety for crops.