Greater Yam (Dioscorea alata)

Hairy caterpillar (Pericallia ricini)

Symptoms

  • Caterpillars eat leaves, causing them to fall off (defoliation).
  • Pest attack is high during the night.
  • Host plants include castor and moringa.

Management

  • Spray neem garlic emulsion (20 ml neem oil + 20 gram garlic paste + 5 gram bar soap/litre of water).