Black bean aphid
temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage symptoms Economic [...] Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] damage is caused through the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant