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1 September 2009 Impact of two Insecticides Used in the Control of the Desert Locust on Psammotermes hybostoma Desneux (lsoptera: Rhinotermitidae) in Niger
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Abstract

The impact of chlorpyrifos ethyl (applied at a rate of 225 g a.i./ha) and fenitrothion (at 450 g a.i./ha), two insecticides commonly used to control desert locusts (Schistocerca gregaria Forskål), on the activity of Psammotermes hybostoma Desneux, a subterranean, wood-eating termite, were assessed in the Tafidet Valley in the Aïr area, during July–December 2005. Termite activity was significantly reduced with chlorpyrifos and fenitrothion compared with unsprayed control plots. Termite activity was most affected 1–30 days (Interval I) after treatment and thereafter for a period up to 60 days (Interval II) . Chlorpyrifos ethyl was the more toxic insecticide, leading to 75 % and 73 % reduction in termite activity during Intervals I and II, respectively. Recovery of the termite population occurred 60 days after treatment, as reflected by resumption of feeding activity. Both insecticides showed no effect on termite activity from 75–90 days after treatment.

A. Mamadou and M. Sarr "Impact of two Insecticides Used in the Control of the Desert Locust on Psammotermes hybostoma Desneux (lsoptera: Rhinotermitidae) in Niger," African Entomology 17(2), 147-153, (1 September 2009). https://doi.org/10.4001/003.017.0204
Accepted: 1 March 2009; Published: 1 September 2009
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