Many species of the families Elateridate (Melanotus, Agroties, and Dalopius are among the important genera) and Tenebrionidae (Eleodes spp.).

Damage to plants

  • Boring and feeding of plant roots.
  • Crop lodging.
  • Injury to base of stem.


  • Patchy seedling emergence.
  • Wilting and tillering of seedlings.
  • Lodging of older plants.

Factors favoring insects / pest development

  • Mild weather during the cold season favors survival of larvae and adult beetles.
  • Moist soil.
  • Grassy or weedy fields attract adults to oviposit.
  • Poorly drained soils (for some species).

Geographic distribution

  • Worldwide distribution.

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