A hypothesis to explain outbreaks of looper caterpillars, with special reference to populations of Selidosema suavis in a plantation of Pinus radiata in New Zealand

@article{White1974AHT,
  title={A hypothesis to explain outbreaks of looper caterpillars, with special reference to populations of Selidosema suavis in a plantation of Pinus radiata in New Zealand},
  author={Theresa C. White},
  journal={Oecologia},
  year={1974},
  volume={16},
  pages={279-301}
}
A hypothesis originally postulated to explain changes in abundance of sapsucking insects is here extended to an interpretation of changes in abundance of populations of geometrid defoliators. The hypothesis states that most herbivorous insects usually remain at a low level of abundance relative to the apparent abundance of their food because most of them die when very young from a relative shortage of nitrogen in their food. Only occasionally do their food plants become a sufficient source of… CONTINUE READING
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