Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Roses > Holes in flowers
Roses > Flowers > Holes in flowers
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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
- Feed on blossoms, chewing holes in them
- Can also skeletonize leaves, i.e. chews tissue between veins, leaving foliage lace-like
- 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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False Japanese Beetle
- Occurs early July
- Chews holes in flower blossoms
- Up to almost 1/2 inch long; iridescent bronze color, can appear black; lacks white patches on abdomen
- More information on False Japanese Beetle
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Northern Corn Rootworm
- Active August and September
- Chews holes in flower blossoms
- Small, 3/16 inch long
- Pale green, lacking spots or stripes
- More information on Northern Corn Rootworm
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Rose Curculio (weevil)
- Active late May/early June
- Small holes in buds
- Flowers with small holes when open
- Stems may break below bud
- Curculio about 3/8th inch long (including long snout); red with black legs and snout
