Black bean aphid
black bean aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks [...] Damage symptoms Economic damage by black bean aphid is mainly due to direct feeding damage. Indirect damage is caused through the transmission of plant viruses [...] protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black moulds grow on this honeydew, contaminating