Slug caterpillar pest in rose crop

Measures to control Slug caterpillar pest in rose crop

Rose slugs are slimy, green worm-like insects that can grow up to half an inch long. They munch on the undersides of rose leaves, leaving behind a skeletonized, translucent appearance often referred to as "windowpane" damage.

Slug caterpillar pest in rose crop

  • Scientific name: Parasa (Latoia) lepida
  • Type: Chewing Pest
  • Target: leaves
  • Damage: Skeletonize the leaves 

  • Identification:

     

    • Up to ½ inch long when fully grown
    • Soft-bodied with a slimy appearance
    • Greenish-yellow in color with a black or orange head
    Environmental favorable factors for pests/Diseases:
  • Temperature: Ideal temperatures for slug caterpillar activity and development are generally between 68-80°F (20-27°C).
  • Humidity: Slug caterpillars thrive in humid environments. High humidity levels (above 70%) favor egg-laying, hatching, and caterpillar survival.

  • Symptoms of Pest/Disease:
    • Windowpane Leaf Damage: The slug will eat away at the soft tissue between the upper and lower veins of the leaf, leaving a translucent, almost skeletal patch.
    • Lacy or Skeletonized Leaves: Heavy feeding by rose slugs can consume most of the leaf tissue, leaving behind only a lacy network of veins.
    • Presence of Slime: Slug-like in their movement, rose slugs may leave behind a slime trail as they move across the foliage.
    • Yellowing and Leaf Drop: As rose slugs consume the foliage, the entire rose bush may begin to look yellowed and weak. Heavy infestations can lead to defoliation.
    Measures to control Pests/Diseases:
    Products Technical Name Dosage
    BT Bio Larvicide Powder 1.5-2.5 kg/Acre & Spray
    Fantastic Chlorantranliprole 0.4% w/w GR 4-7.5 Kg/acre
    K-Indox INDOXACARB 14.5% SC 200 ml per Acre
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