Cucumber moth

Diaphania indica

The term "Cucumber Moth" is a common name that may be used to refer to different moth species depending on the region. One of the moths often associated with cucumbers is the Diaphania indica, also known as the Ash Gourd Moth or Wax Gourd Moth.

Diaphania indica (Cucumber Moth) Overview:

  • Identification:

    • Adult moths have a wingspan of approximately 2 to 3 centimeters.
    • Forewings are typically pale brown or gray with darker markings.
    • Larvae (caterpillars) are cylindrical, often green or yellow with dark spots.

  • Host Plants:

    • Diaphania indica infests cucurbit crops, including cucumbers, ash gourd, wax gourd, and other members of the Cucurbitaceae family.

  • Damage:

    • Larvae feed on leaves, causing irregular holes and skeletonizing.
    • They may bore into fruits, leading to internal damage.

Management:

  • Cultural practices, such as crop rotation and removal of infested plant debris.
  • Encouraging natural enemies like parasitic wasps and predators.
  • Judicious use of insecticides labeled for caterpillar control.