Groundnut Bihar Hairy Caterpillar
It is a major pest of sunflower. It is a polyphagous pest attacking sunflower, castor, cotton, greengram, bengalgram, maize and sunhemp.
Larva crimson colored with black head Pupa.
Spilosoma (Diacrisia) obliqua
Kannada Name: Kambali hulu
Female lays around 50-100 eggs on lower surface of the leaves. Pupation takes place under dry debris, foliage and soil
Nature of damage:
Young larvae feed gregariously on the under surface of the leaves. Early instars skelatonise the leaves gregariously. Feed on leaves and cause loss by way of defoliation.
- Leaf Skeletonisation.
- Defoliation leaving only stem and petioles.
- Similar to Red headed hairy caterpillar, goat or cattle grazed appearance is seen.
- In severe cases, only stems are left behind.