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The effect of larval diet on the growth and development of Sesamia calamistis Hampson (Lepidoptera: Noctuidae) and Eldana Saccharina Walker (Lepidoptera: Pyralidae)

Published online by Cambridge University Press:  19 September 2011

T. G. Shanower ,
F. Schulthess  and
N. Bosque-Pérez
T. G. Shanower
Affiliation:
Plant Health Management Division, International Institute of Tropical Agriculture Biological Control Center for Africa, B.P. 08–0932, Cotonou, Bénin
F. Schulthess
Affiliation:
Plant Health Management Division, International Institute of Tropical Agriculture Biological Control Center for Africa, B.P. 08–0932, Cotonou, Bénin
N. Bosque-Pérez
Affiliation:
Plant Health Management Division, International Institute of Tropical Agriculture Biological Control Center for Africa, B.P. 08–0932, Cotonou, Bénin
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Abstract

Sesamia calamistis Hampson and Eldana saccharina Walker larvae were reared at 25°C on pieces of stem from five indigenous African grasses. All five, Andropogon sp., Panicum maximum Jacq., Pennisetum polystachion (L.) Schult., P. purpureum L. and Sorghum arundinaceum (Desv.) Stapf. have been reported as host plants for one or both species. Larval survival, larval and pupal period and pupal weight were recorded and compared to values of these parameters for larvae reared on stems of maize and on artificial diet. S. calamistis larval survival was less than 10% on each grass species compared to 95% on artificial diet and 30% on maize stems. Larval period was similar on maize and the grasses, but was 50% faster on artificial diet. Pupal periods were similar for larvae reared on grasses, maize and artificial diet. Pupal weights were highest for larvae reared on artificial diet, followed by maize and then grasses. E. saccharina larval survival was less than 5% on each grass species compared to 60% on artificial diet and 19% on maize stem. Larval development was 25% faster on artificial diet than on maize or grasses. Larvae reared on grasses, maize and artificial diet had similar pupal periods. Pupal weights were lowest on grasses and highest on artificial diet.

Keywords

SesamiaEldanalarval host plantsdevelopmentSesamiaEldanaplantes nôtes larvairedéveloppement
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 14 , Issue 5-6 , December 1993 , pp. 681 - 685
Copyright
Copyright © ICIPE 1993

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References

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