Repellent Action of Diatomaceous Earth against the Adult Red Flour Beetle <i>Tribolium castaneum</i> (Herbst)
Keywords:Repellent, Diatomaceous earth, Tribolium castaneum.
Tribolium castaneum (Herbst) adults were released to choice chambers containing untreated flour in one half and diatomaceous earth (DE)-treated flour in the other half. The doses of DE used were 2-32 mg/g. Females, males and unsexed adults were exposed separately to each dose for 24-, 48-, 72-, 96- and 120-h. DE at 32 mg/g strongly repelled (P<0.001) both sexes and unsexed beetles at all exposure periods. The males showed comparatively more avoidance to DE-treated flour at longer exposures.
© 2012 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.
doi: http://dx.doi.org/10.3329/jsr.v4i3.9637 J. Sci. Res. 4 (3), 783-788 (2012)
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