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