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hypsipyla robusta moore

International Journal of Tropical Insect Science (1)

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The rearing and biology of the mahogany shoot borer Hypsipyla robusta Moore (Lepidoptera: Pyralidae) on an artificial medium
S. K. N. Atuahene, D. Souto
Journal:

Insect Science and Its Application / Volume 4 / Issue 4 / December 1983

Published online by Cambridge University Press:

19 September 2011, pp. 319-325

Print publication:

December 1983
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Three consecutive generations of Hypsipyla robusta Moore (Lepidoptera: Pyralidae) were reared on the McMorran–Grisdale Diet (MGD) medium. Mortality rates among the older larvae were consistently low (less than 1.0%) but high (up to 50%) in the first instar stage which was due primarily to escapism and non-feeding. Developmental period from egg to adult was not adversely affected by the artificial diet and ranged between 29 and 41 days. However, a comparison of numbers of larval instars and pupal sizes indicated that the nutritional quality of the MGD and natural food sources differed appreciably. A longterm study to evaluate the usefulness of the MGD for planned mass rearing programmes of H. robusta is recommended.