Side effects of kaolin particle films on apple orchard bug, beetle and spider communities

V. Marko, S. Bogya, E. Kondorosy, L.H.M. Blommers

    Research output: Contribution to journalArticleAcademicpeer-review

    6 Citations (Scopus)

    Abstract

    The effects of multiple applications of hydrophobic kaolin particle film on apple orchard bug (Heteroptera), beetle (Coleoptera) and spider (Araneae) assemblages were studied in the Netherlands. Insecticide-free orchard plots served as a control. The kaolin applications significantly reduced the abundance and species richness of the communities and also altered their composition and diversity. The treatments disrupted many non-target groups notably mycophagous, predacious and tourist beetles, zoophagous bugs and spiders. Among spiders, wanderer spiders (Thomisidae, Philodromidae) were most affected, whereas web building spiders (Dictynidae) were least affected. After ceasing the applications in July, the between-treatment differences in composition of all communities and diversity of heteropterans and spiders diminished while the differences in abundance and species richness remained for a long time, until the end of September. Many predator species with good colonisation ability recovered slowly after the treatments, mainly due to the scarcity of prey.
    Original languageEnglish
    Pages (from-to)189-199
    JournalInternational Journal of Pest Management
    Volume56
    Issue number3
    DOIs
    Publication statusPublished - 2010

    Keywords

    • pest-management systems
    • arthropod
    • aphid
    • coccinellidae
    • insecticide
    • assemblages
    • populations
    • pesticides
    • coleoptera
    • hungary

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