Effects of larval rearing media and adult diets of rice moth, Corcyra cephalonica (Stainton) on longevity of moths and fecundity of female
Mahavir Malik, Narendra Kumar and Ombir
Eight types of food media combinations of milled grains of sorghum (Sorghum bicolar L. Moench), maize (Zea mays L.), ‘Bajra’ (Pennisetum typhyoides L.), alone and in different proportions were mixed to rear and maintain the rice moth, Corcyra cephalonica. Each food media was infested with 750 fresh eggs (0-24 h) of riche moth C. cephalonica and after moth emergence, paired moths were provided with different adult diets such as honey solution 10 and 5 percent, sugar solution 10 and 5 percent and water only. The maximum fecundity of 290.80 eggs/ female was observed from moth emerged from sorghum while the lowest fecundity 134.16 eggs/female was observed from moth emerged from ‘Bajra’ which was found to be statistically lower than other grains. The longest longevity was followed by sorghum + maize (2:1), ‘Bajra’ + sorghum (2:1), maize + ‘Bajra’ (2:1) and maize + sorghum (2:1) where, it was 7.63, 7.56, 7.43 and 7.30 days, respectively. The shortest life of adult female was recorded on maize of 3 days with 5 percent sugar as adult diet and longest life on ‘Bajra’ + sorghum (2:1) of 13 days as 5 percent honey solution. No significant difference was observed for the female longevity when provided with different adult diets. The male longevity, longest 8.36 days was on sorghum + maize (2:1).
Mahavir Malik, Narendra Kumar, Ombir. Effects of larval rearing media and adult diets of rice moth, Corcyra cephalonica (Stainton) on longevity of moths and fecundity of female. J Entomol Zool Stud 2018;6(6):1192-1195.