Rose aphid
symptoms Infestations with rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Wingless