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A CONCEPTUAL MODEL FOR GROWTH, DEVELOPMENT, AND REPRODUCTION IN THE LADYBIRD BEETLE, HIPPODAMIA CONVERGENS (COLEOPTERA: COCCINELLIDAE)1

Published online by Cambridge University Press:  31 May 2012

A. P. Gutierrez
Affiliation:
Division of Biological Control, University of California, Berkeley 94720
J. U. Baumgaertner
Affiliation:
Division of Biological Control, University of California, Berkeley 94720
K. S. Hagen
Affiliation:
Division of Biological Control, University of California, Berkeley 94720

Abstract

A simple model for growth and development of the ladybird beetle (Hippodamia convergens G-M.) which partitions aphid biomass eaten into components of excretion, assimilation, growth and/or reproduction, and metabolic costs associated with searching and maintenance respiration is reported. All parameters in the model were estimated from simple minimal laboratory experiments, and have biological and/or physical meaning. The effects of predator nutrition on aging, survival, and emigration were also modelled. Most rates in the model for growth, reproduction, and respiration are controlled by the interplay between prey consumption and maximum prey biomass demands. The model for biomass flow is related to standard predator/prey theory.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1981

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