Search for: [Abstract = "Production, respiration and assimilation rates were measured with two methods in confined populations of T. castaneum \(Hbst\) developing in the renewed habitat. The populations were started with a small initial number of beetles and developed for 19 weeks under controlled conditions of temperature, humidity and food. All budget elements showed an oscillatory character with a tendency of diminishing oscillations with time. Both methods yielded similar results, the differences being attributed to cannibalism. The net production efficiency, being high at the moment of colonization of the habitat, was found to diminish exponentially with time. Consumption was estimated by assuming that assimilation efficiency was 60%. The instantaneous and cumulative energy budgets of the population developing for four and a half months are given."]

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