Castor Slug

 Castor Slug: Parasa lepida

Symptoms of damage:

  • Feed gregariously on the leaves of castor and later spread over to the entire plant
  • Cause defoliation, leaving only the midrib and veins

Identification of the pest:

  • Larva: slug-like, ventrally flat, greenish body with white lines and four rows of spiny scoli tipped red or black
  • Adult: green moth with brown band at the base of the forewing 

Management:

  • The pest should be kept in check by picking the gregarious caterpillars and the cocoons that are found on tree trunks and destroying them
  • Spray chlorpyriphos or quinalphos @ 2 ml/litre of water if pest attack is more.

 

Source-

  • TamilNadu Agritech Portal