Symptoms of Damage

• Stunted and distorted growth. 
  Honeydew and sooty mould
  Vector: Cowpea Mosaic Virus

Identification of insect pest :

• Shiny black aphid. Aphid groups on the under surface of the cowpea leaves, young stems and pods.



  

Aphids on petiole                               Aphids and Coccinellid beetle

Management

ETL: 20 / 2.5 cm shoot length

• Conserve important predators coccinellid beetles, e.g. Cheilomenes sexmaculata and Coccinella septempuncta, syrphid larvae, e.g. Ischiodon scutellaris, Neuropteran larvae, e.g. Micromus timidus, and a predatory dipteran, e.g. Aphidoletes aphidimyza. 

Aphid