Tropical Sod Webworm and Southern Chinch Bug Control in Florida
Abstract
Insecticides were evaluated on tropical sod webworms, Herpetogramma phaeopteralis Guenee, on Bermudagrass and on southern chinch bugs, Blissus insularis Barber, on St. Augustinegrass. Carbofuran; dialifor, Dyfonate, 0-ethyl S-phenyl ethylphosphonodithioate; leptophos; and Primicid, 2-Diethylamino-6-ethylprimidin-4-yl diethyl phosphorothionate, provided excellent control of both the target webworm population and the reinfestive population 3-4 weeks later. Biotrol and Dipel preparations of Bacillus thuringiensis gave significantly better webworm control than untreated check plots. Southern chinch bugs were controlled with treatments of carbofuran; Dyfonate; Mocap; 0-Ethyl S,S-dipropyl phosphorodithioate; PP484, diethyl-2-ethylacetamido-6-methyl pyrimidin-4-yl phosphorothionate; Primicid 2-diethylamino-6-ethylprimidin-4-yl diethyl phosphorothionate; and propyl thirpyrophosphate.Downloads
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