Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Summer Squash and Zucchini > Holes in fruit
Summer Squash and Zucchini > Fruit > Holes in fruit
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Slugs
- Feeding results in a small, deep holes in both green and ripe fruit
- Slugs look like snails without a shell, and are approximately 1/4 to 2 inches long
- Slugs are particularly abundant when weather is cool and damp
- More information on Slugs
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Striped Cucumber Beetle
Acalymma vittatum
- Beetles feed on flowers and directly on fruit, causing scarring
- Feed on leaves and can completely defoliate a plant
- Shows a preference to cucumbers, certain varieties of winter squash, and zucchini
- Vectors bacterial wilt
- Adult is yellow-green in color, about 1/4 inch long, and marked by three black stripes
- Active from June through September
- More information on Striped Cucumber Beetle
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Spotted Cucumber Beetle
Diabrotica undecimpunctata howardii
- Beetles feed on leaves, flowers, and fruit
- Vectors bacterial wilt
- Adult is 1/4 inch long, bright yellow-green body with 12 black spots
- Active from June through September
- More information on Spotted Cucumber Beetle
