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- Title
Energy budget and growth during the development of Melasoma collaris (Coleoptera).
- Authors
Hågvar, S.
- Abstract
Ingestion, egestion, production (growth) and respiration were determined for all developmental stages of the Chrysomelid beetle Melasoma collaris L. fed Salix herbacea L. Gross efficiency of growth (100 × growth/ingestion) for the three larval instars were 32, 31, and 22, totally 24% (energy); and 26, 27, and 20, totally 21% (dry weight). Assimilation efficiency (100 × assimilation/ingestion), based on collections of excrement, was 76, 77, and 65% (energy) in the larval instars. Respiration calculated from the energy ingested, egested and stored as growth, was about 2-6 times higher than measured by respirometers.
- Subjects
CHRYSOMELA; INGESTION; ABSORPTION (Physiology); RESPIRATION; PHYSIOLOGY; PHAGOCYTOSIS
- Publication
Oikos, 1975, Vol 26, Issue 2, p140
- ISSN
0030-1299
- Publication type
Article