Abstract
Gamma isomer of benzene hexachloride is almost as effective in killing 3d instar white grubs, Phyllophaga spp., as is aldrin; either at 2 lbs./acre gave commercial control. The former at 10 lbs./acre only delayed development of just-hatched weevil grubs of Diaprepes abbreviatus in laboratory tests. Aldrin killed all Diaprepes grubs at 0.5 lb./acre.

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