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Effect of age of the adult stage of the cotton leafworm, Spodoptera littoralis (Boisd.), on the rate of oviposition, egg-fertility and life-span of moths (Lepidoptera: Noctuidae)



Effect of age of the adult stage of the cotton leafworm, Spodoptera littoralis (Boisd.), on the rate of oviposition, egg-fertility and life-span of moths (Lepidoptera: Noctuidae)



Bulletin de la Societe Entomologique d' Egypte 1976 recd 1978; 59: 289-294



Laboratory tests were carried out in Egypt in 1972-73 on the effect of the age of adult males and females of Spodoptera littoralis (Boisd.) on the oviposition rate, egg fertility and adult life-span. There was a negative relationship between moth age and oviposition rate. The highest percentage (93) of females laying eggs occurred when males mated with females one day older, while the highest percentage (93) of egg fertility occurred when 4-day-old males mated with newly emerged females.

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Accession: 000637811

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Related references

Effect of age of the adult stage of the cotton leafworm, Spodoptera littoralis (Boisd.), on the rate of oviposition, egg-fertility and life-span of moths. 1976

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