Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Roses > Holes in leaves
Roses > Leaves > Holes in leaves
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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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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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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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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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Leafcutting Bee
- Occurs late May to early June
- Creates smooth half moon shaped holes in leaves
- Medium sized bee
