Eggplant Leaf Roller


Eggplant Leaf Roller

Eublemma olivacea


In a Nutshell

    Leaves appear rolled lengthwise along their axisLarvae feed on the leaf tissue from inside the rolled bladeAffected leaves can appear brown, wilt and dryHeavy infestations lead to defoliation, resulting in significant yield loss

Hosts: %1$s

· Eggplant


Only the larvae cause damage to the leaves. Initial symptoms appear as lengthwise rolled leaves where the larvae are located. From there, they chew on the internal green tissue of the leaves. The damage appears on the top parts of the plant most. Rolled leaves can become brown, wilt and dry. When the damage is heavier, the browning spreads to entire plant parts and is followed by defoliation. This can lead to significant yield loss if the population of insects is not controlled. However, the pest is rarely a major threat to plant development and yield.


The adults are medium sized, light brown to olive green moths with a large three-sided darker patch on the outer area of the forewing. Hindwings are translucent white. The female moths lay eggs in groups of about 8-22 on the upper side of the leaves, more commonly on the younger ones. After about 3-5 days the larvae hatch. They are purple-brown and stout with yellow or cream hollow bumps and long hairs on the back. The larval growth period is about 4 weeks. Then they pupate inside the rolled leaf. After an additional period of about 7-10 days the new generation of adult moths hatch. There may be 3-4 generations per year, depending on climate conditions.

Biological Control

Biological control by parasitic wasp species such as Cotesia spp. can be used to reduce the infestation. Also predatory insects such as mantis or beneficial ladybird beetle species may help to control the pest. Nematodes such as Steinernema spp. may help controlling the pest, too.

Chemical Control

Always consider an integrated approach first. If insecticides are needed, spray products containing carbaryl or malathion to reduce populations of the eggplant leaf roller.

Preventive Measures

    Planting later in the season is recommendedGrow healthy plants with a good fertilization programCheck your plants or fields for any sign of disease or pestHandpick infested leaves and caterpillarsRemove or destroy infested leaves, caterpillars and your waste by burning itAvoid indiscriminate insecticide use that destroys natural enemies of the pest


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