Control and Prevention of Mites in Granary and Rice Weevil Cultures1

Abstract
Laboratory cultures of the granary weevil, Sitophilus granarius (L.), and the rice weevil, Sitophilus oryza (L.), were invaded by mites of two genera, Typhlodromus and Acaropsis. Several acaricides were tested for the purpose of eliminating mites from rearing and testing areas of the laboratory without causing undue harm to insects in cultures. Methods are described for the use of Kelthane and Chlorobenzilate to eradicate mites in rearing and testing areas of a stored-product insects laboratory, the use of Kelthane for the control of mites in weevil cultures, and for the prevention of new infestations.

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