High host plant aggregation involves uniform gall distribution and high prevalence: The case of wild roses and Bedeguar gall wasps (Diplolepis rosae)

Zoltán László, Béla Tóthmérész

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3 Citations (Scopus)

Abstract

We studied the effect of rose shrub spatial pattern and density toward its parasitism by Diplolepis rosae gall wasps, considering host shrubs' size. There were eight sample sites on dry pastures and/or on the edges of these pastures. Our results show that high densities rose shrubs show uniform distribution, while the low densities ones appear aggregated. Gall density and prevalence are affected by host plant aggregation. Gall aggregation is inversely related with host plant aggregation. The plant architecture hypothesis regarding rose shrub size was not supported.

Original languageEnglish
Pages (from-to)112-117
Number of pages6
JournalNorth-Western Journal of Zoology
Volume7
Issue number1
Publication statusPublished - Jan 1 2011

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Keywords

  • Gall density
  • Gall prevalence
  • Host plant density
  • Plant architecture hypothesis
  • Poulin's index of discrepancy (PID)

ASJC Scopus subject areas

  • Animal Science and Zoology

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