Cabbage semilooper

Cabbage Semilooper

4. Cabbage semilooper, Thysanoplusia orichalcea (Noctuidae: Lepidoptera)

Distribution: North-Western India

Host range: Cabbage, cauliflower and other winter vegetables

Nature of damage:
Larvae cause the damage by biting round holes into the leaves

Identification:
  • Larvae: plump and pale green having three pairs of prolegs and are generally found mixed with the caterpillars of P. brassicae
  • Adults: light brown with a golden patch on each fore wing and measures about 42 mm across the wings.
6.7

Life cycle:

  • The pest is active from March to October.
  • Moths lay eggs on the leaves
  • Larvae feed individually biting holes of varying size depending on the stage of development.
  • Pupate in plant debris.
  • Moths are very active at dusk
Management:
Same as recommended for Pieris brassicae
Last modified: Saturday, 3 March 2012, 5:38 AM