Cotton aphid
world but prefers the warmer regions. It has been a pest in European greenhouses since the late 1980’s, particularly affecting cucumber. Damage symptoms The [...] hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized