Aphids
cycle, with both winged and wingless forms of adults of the same species developing, depending on the conditions. Wingless adult aphids are known as apterous [...] pesticides, remain unchanged and unsorted. The young aphids are born as developed nymphs and begin to feed instantly on plant sap. They grow rapidly and [...] four times before becoming adult, with the conspicuous white cuticles, shed during each of these moults, betraying their presence in the crop. There are two