esis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each
sis, with unfertilized viviparous females continuously producing new generations of females. The strawberry aphids overwinter as parthenogenetic forms
sis, with unfertilized viviparous females continuously producing new generations of females. There is no sexual stage in the life cycle. Wingless females