Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Summer Squash and Zucchini > Holes in seedling leaves
Summer Squash and Zucchini > Seedling > Holes in seedling leaves
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Garden Springtails
Bourltiella hortensis
- Springtails feed on cotyledons resulting in small holes and surface scarring on the leaves
- Very tiny
- Usually seen early in the season (May through June)
- More information on Garden Springtails
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Striped Cucumber Beetle
Acalymma vittatum
- Beetles feed on leaves and can completely defoliate a plant
- Shows a preference to cucumbers, certain varieties of winter squash, and zucchini
- Vectors bacterial wilt
- Feeds on flowers and directly on fruit, causing scarring
- 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
