Effect of insecticides on progeny in the silkworm, Bombyx mori, 3: Effect of the stage and the dose of application of organophosphorus insecticides on hatching

agricultural chemicals animal developmental stages animals application methods arthropods developmental stages gametes hatching insecticides insects invertebrates lepidoptera methods organic compounds organophosphorus compounds ova pesticides physiological functions physiology plant developmental stages progeny forms reproduction silkworms useful arthropods useful insects