Literature on the population dynamics of insect herbivores tends to
favour a top-down regulation of abundance, owing much to the action
of natural enemies. Originally published in 2005, this volume
challenges this paradigm and argues that tree-dwelling species of
aphids, through competition for resources, regulate their own
abundance. The biology of tree-dwelling aphids is examined,
particularly their adaptation to the seasonal development of their
host plants. When host-plant quality is favourable, aphids, by
telescoping generations, can achieve prodigious rates of increase
which their natural enemies are unable to match. Using analyses of
long-term population censuses and results of experiments, this book
introduces students and research workers to insect herbivore-host
dynamics using the interaction between aphids and trees as a model.
General
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