The Morton Arb

Selection guide

Use the pulldowns below to find information about trees or shrubs

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Use our Interactive Collections Map and our Plant Collections Map to identify where plants are located on our grounds.

Members' Exclusive Plant Catalog, orders taken February 7-April 9

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Articles tagged larvae

  • Emerald Ash Borer Identification

    | Category: Insects & Diseases | Tags: Emerald Ash Borer, beetles, EAB, larvae
    Adults are bright metallic green beetles that are approximately 1/3 inch long and 1/16 inch wide. They have flat backs and rounded abdomens. They are present from mid-May through late July. Larvae reach a length of approximately 1 inch and are...

  • Symptoms of Emerald Ash Borer Infestation

    | Category: Insects & Diseases | Tags: larvae, EAB, Emerald Ash Borer
    Usually EAB infestations go undetected until the trees begin to show symptoms of infestation. It may take at least one year before symptoms first appear. The symptoms below indicate the possible presence of emerald ash borer: Jagged...