Mottled arum aphid
sexual stage in the life cycle. Wingless females of the mottled arum aphid are shiny whitish, yellowish or green with black cross bands behind the head, broken [...] excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves can reduce photosynthesis and also result in an unattractive [...] With each moult they shed white skin, betraying their presence in the crop. Reproduction of the mottled arum aphid is entirely by parthenogenesis, with un