• Corn rootworm

  January 1, 1970

  The adults, 5-6 mm long, are dark yellow in colour and there are three black stripes on the wing covers. They emerge throughout the summer period with

• Fall Armyworm

  January 1, 1970

  long. They have six instars that vary in colour from light tan to green to black. They have a distinct white inverted Y-shaped mark on the front of the head

• Cutworms

  January 1, 1970

  Agrotis spp.) are occurring worldwide. Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae

• Quad

  January 1, 1970

  two openings become visible (entrance and exit). Do not remove the small black door under the lid Pollination performance and duration varies per crop and

• Poultry Red Mite

  January 1, 1970

  following a recent blood meal, otherwise the mite appears white, grey or black. Adults are about 1 mm long (0.04 inches) and have long legs. They are typically

• Tomato looper

  January 1, 1970

  with a few stiff hairs. In older caterpillars , each segment has a clear black dot above the lateral yellow lines. There are three pairs of prolegs, instead

• Potato aphid

  January 1, 1970

  secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit

• Corn earworm

  January 1, 1970

  a total period of two to three weeks, developing a greyish colour and a black cephalic capsule in the first stage, but later adopting a variety of colours

• Cannabis aphid

  January 1, 1970

  on leaves and flowers as a sticky “honeydew” which promotes the growth of black fungal moulds. White skin moults visible on the leaves. Live aphids may be

• Tomato leaf miner

  January 1, 1970

  a pupal instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females