females. Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The cotton aphid can
drosophila are attracted to the trap by the liquid attractant. Once in the trap they drown in the attractant. The trap has been specifically designed to prevent
concludes. Tripol hives are better adapted to periods of colder temperature as they are better insulated and contain more sugar water, especially when first
from 300-500 eggs. The nymphs are very similar to the adult female, even if they are smaller. The prepupa and pupa stages are present only in the male. After
Trapping males also aids in reducing the number of eggs laid by females as they fail to mate. For some pests, Pherodis dispensers contain lures which attract
in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts and suck out the contents.
are white to pale green, shiny, dome-shaped with 28 to 32 vertical ribs. They are deposited singly or in pairs throughout the crop, on the lower and upper