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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Cucumber > Holes in seedling leaves

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Cucumber > Seedling > Holes in seedling leaves

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  • Image: Garden Springtails 1
  • Image: Garden Springtails 2
  • Image: Garden Springtails 3

Garden Springtails
Bourletiella 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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  • Image: Striped Cucumber Beetle 1
  • Image: Striped Cucumber Beetle 2
  • Image: Striped Cucumber Beetle 3

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

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