Diabrotica beetles and rootworms

Diabrotica balteata, D. virgifera, D. longicornis, D. speciosa, and Diabrotica spp.

Nature of damage

  • Root clipping and tunneling by the worms
  • Beetles eat portions of the leaf margins
  • Poor seed set


  • Tilted curved stems
  • Lodging
  • Irregularly shaped holes in the leaves

Geographic distribution

  • These insects are restricted to the Americas, D. balteata being found in the tropics and subtropics and D. virgifera, D. longicornis and D. speciosa in temperate areas.

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