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  1. By: Heath, Richard - Primack, Richard B.
    Type: Article
    In: Arnoldia
    Volume: 51
    Issue: 2
    Date: 1991
    Page Range: 33--39
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  2. By: Heath, Richard
    Type: Article
    In: Arnoldia
    Volume: 48
    Issue: 4
    Date: 1988
    Page Range: 29--31
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  3. By: Heath, Richard - Alfaro, René I.
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 87
    Date: 1990
    Page Range: 16--21
    Publication Info: [Victoria, etc.], Entomological Society of British Columbia,