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AN ENERGY BUDGET FOR MAMESTRA CONFIGURATA (LEPIDOPTERA: NOCTUIDAE)1

Published online by Cambridge University Press:  31 May 2012

C.G. Bailey  and
N.B. Singh
C.G. Bailey
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba
N.B. Singh
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba
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Abstract

An energy budget was evaluated for the bertha army worm, Mamestra configurata (Walker), over its life cycle. Cumulative values for the budget at the end of larval development were: ingestion, 2124 cal; respiration, 372 cal; production, 485 cal; and egestion, 1266 cal. The sixth instar larva accounted for 80.1, 83.2, 81.3, and 78.8% of the total energy in ingestion, respiration, production, and egestion, respectively, during its development. Assimilation efficiency varied from 35.5 to 44.4% with a mean of 40.6%, gross production efficiency varied from 16.6 to 23.8% with a mean of 21.3%, and net production efficiency varied from 37.5 to 61.3% with a mean of 52.7%.

Type
Articles
Information
The Canadian Entomologist , Volume 109 , Issue 5 , May 1977 , pp. 687 - 693
Copyright
Copyright © Entomological Society of Canada 1977

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