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Abstract In 2013 rice season, C. agamemnon exhibited two population peaks of occurrence, the first peak was represented by 13 larvae/1000 tillers on the first of August, while the second one was represented by 25 larvae/1000 tillers on August 31st. The pupal population density was mostly low throughout the rice season, with only two small peaks. They were recorded on 27th of July, and September 7th . The first white heads appeared early August and peaked (120 white heads/1000 tillers) on 31st of August and the second peak (100 white heads/1000 tillers) was recorded on September 21st . |