Survival rate of honeybee (Apis mellifera) workers after exposure to sublethal concentrations of imidacloprid

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    Abstract

    Imidacloprid is a commonly used systemic insecticide which can induce several sublethal effects. Previous research has not shown any increased mortality in bees that were fed with sublethal doses. However, there is very little research conducted with the focus on survival rate of honeybees in the field. The aim of this study is to assess the influence of imidacloprid on the survival rate of honeybees under field conditions. Honeybees from different colonies were administered a single dose of imidacloprid of 0, 0.07, 0.7, 7 or 70 ng per bee. From each concentration one group was kept in the laboratory to assess lethal effects and one group was returned to the hive to assess possible sublethal effects. The surviving bees were counted regularly during 4 weeks. Analysis has shown no difference in survival rate between treatments in the laboratory. There is a difference between the 70 ng treatment and the control group in the field (P
    Original languageEnglish
    Title of host publicationProceedings of the 20th annual meeting entomologists in The Netherlands, organized by the Section Experimental and Applied Entomology (SETE), Ede, The Netherlands, 18 December 2009
    EditorsJ. Bruin
    Place of PublicationAmsterdam, The Netherlands
    PublisherNederlandse Entomologische Vereniging (NEV)
    Pages29-34
    Volume21
    ISBN (Print)9789071912337
    Publication statusPublished - 2010
    Eventthe 20th annual meeting entomologists, Ede, The Netherlands -
    Duration: 18 Dec 2009 → …

    Conference

    Conferencethe 20th annual meeting entomologists, Ede, The Netherlands
    Period18/12/09 → …

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