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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Roses > Holes in leaves

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Roses > Leaves > Holes in leaves

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  • Image: rose chafer 1
  • Image: rose chafer 2
  • Image: rose chafer 3

Rose Chafer

  • Occurs late May to June
  • Feed on blossoms, chewing holes in them
  • Can also skeletonize leaves, i.e. chews tissue between veins, leaving foliage lace-like
  • Up to nearly 1/2 inch in length; slender tannish beetle with reddish-brown spiny legs
  • More information on Rose Chafer ...
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  • Image: Japanese beetle 1
  • Image: Japanese beetle 2
  • Image: Japanese beetle 3

Japanese Beetle

  • Occur late June to early September
  • Skeletonize leaves, i.e. chews tissue between veins, leaving foliage lace-like
  • Feed on blossoms, chewing holes in them
  • Up to almost 1/2 inch long; iridescent green with five white patches along the side of its body and two white patches on the tip of the abdomen
  • More information on Japanese Beetle...
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  • Image: Roseslug 1
  • Image: Roseslug 2
  • Image: Roseslug 3

Roseslug

  • Occurs during May and June
  • Creates windowpane damage (i.e. feeds on one layer of leaf tissue between the veins)
  • Clear, lacey damage at first, later turns brown
  • Green, smooth caterpillar-like body, up to 1/2 inch long
  • More information on Roseslug...
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  • Image: Bristly Rose Slug 1
  • - CLICK PHOTO TO ENLARGE -

Bristly Rose Slug

  • Occurs during spring and summer
  • Creates windowpane damage (i.e. feeds on one layer of leaf tissue between the veins) when larvae young
  • Clear, lacey damage at first, later turns brown
  • Older larvae chew entire holes in leaves
  • Green caterpillar-like body with short hairs, up to 1/2 inch long
  • More information on Bristly Rose Slug...
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  • Image: Leafcutting Bee 1
  • - CLICK PHOTO TO ENLARGE -

Leafcutting Bee

  • Occurs late May to early June
  • Creates smooth half moon shaped holes in leaves
  • Medium sized bee

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