Regular alternation of high and low population size of gall-forming aphids: analysis of ten years of data

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Abstract

In Israel, Baizongia pistaciae (Homoptera, Pemphigidae, Fordinae) forms large galls on Pistacia palaestina. Population sizes on individual trees at 3 localities vary considerably among years, but often show a regular pattern of high and low gall densities on alternate years. Two of 5 possible explanations for the observed pattern can be regarded as working hypotheses. -from Author

Original languageEnglish
Pages (from-to)73-79
Number of pages7
JournalOikos
Volume57
Issue number1
DOIs
StatePublished - 1990

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