Grains Research and Development

Beetles and their larvae (including weevils) (38 results)

  • African Black Beetle

    Heteronychus arator

    Region
    West
    Larvae are white and 'C' shaped up to 25 mm long with a brown head and three pairs of legs. Adults are shiny, black and cylindrical, and are up to 12 mm long....
  • African Black Beetle

    Heteronychus arator

    Region
    South
    Larvae are white and “C” shaped, up to 25 mm long with a brown head and three pairs of legs. Adults are shiny, black, cylindrical, and are up to 12 mm long....
  • Cockchafers

    Heteronyx obesus, and other species in family Scarabaeidae

    Region
    West
    Larvae of H. obesus are up to 20 mm long, creamy-white with a darker head and are curved into a ‘C’-shape. They have three pairs of legs near the front of the body and form earthen capsules prior to pupation. Adult beetles range from 5 to 20 mm long, oval...
  • Bronzed Field Beetle

    Adelium brevicorne

    Region
    West
    Larvae are a shiny dark-brown, grow to 12 mm and have two upturned spines on the end of the body. Adults are shiny black with a slight bronze appearance and grow to 11 mm....
  • Bronzed Field Beetle

    Adelium brevicorne

    Region
    South
    Larvae are shiny dark brown, grow to 12 mm long and are cylindrical with two distinct upturned spines on the end of the body. Adults are shiny black with a slight bronze appearance, grow to 11 mm long and are present from spring to autumn. One generation per year....
  • Brown Flea Beetles

    Chaetocnema sp.

    Region
    North
    Adults are 2 mm long and shiny brown. The last pair of legs has an enlarged segment for jumping....