© Jess Beemouse

Type: Pests

Blackfly/black bean aphid (Aphis fabae)

An aphid which affects members of the bean family, stunting growth, distorting leaves and pods and, if left unchecked, reducing yields.


  • Distorted leaves and stem
  • Stunted growth
  • Mass of black insects at growing points

Prevention & control

  • Sow in autumn to produce less of sappy growth that these insects love
  • Pinch out the growing tips when the first pods appear
  • Otherwise, control as aphids
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