Updated: July 6, 2023

Lilikoi, also known as passion fruit, is a delicious tropical fruit that is popular for its unique flavor and versatility in culinary applications. However, like any other plant, lilikoi plants can be susceptible to pests, including crusader bugs. These small insects can cause significant damage to the leaves and fruits of the plant if not controlled. In this article, we will explore effective methods to get rid of crusader bugs on your lilikoi plant.

Identifying Crusader Bugs

Before we dive into the methods of eradicating crusader bugs, it is important to know how to identify them. Crusader bugs, also known as mottled shield bugs or stink bugs, are small insects with a shield-shaped body. They have a mottled appearance with various shades of brown, black, and beige. These bugs are typically around half an inch in length and can be found both on the leaves and fruits of the lilikoi plant.

Crusader bugs are considered pests because they pierce through the plant’s tissue and suck out the sap, causing damage to the leaves and fruits. If left unchecked, they can stunt the growth of the plant and reduce fruit production.

Natural Remedies

When it comes to controlling crusader bugs on your lilikoi plant, using natural remedies is often the preferred approach. Not only are these remedies safe for both humans and the environment, but they also help maintain the overall health of the plant. Here are some effective natural methods you can try:

1. Neem Oil Spray

Neem oil is a popular choice for organic pest control as it has insecticidal properties that disrupt the feeding and reproductive abilities of many insects, including crusader bugs. To make a neem oil spray, mix one tablespoon of neem oil with one quart of water and add a few drops of dish soap. Spray this mixture on the leaves and fruits of your lilikoi plant, making sure to cover all areas. Repeat this process every two weeks until the crusader bug infestation is under control.

2. Garlic Spray

Crusader bugs are repelled by the strong odor of garlic, making garlic spray an effective natural deterrent. To make a garlic spray, crush a few cloves of garlic and soak them in water overnight. Strain the garlic water into a spray bottle and add a few drops of dish soap. Spray this mixture on the leaves and fruits of your lilikoi plant, paying extra attention to the areas where crusader bugs are most prevalent. Reapply the spray every week until the bugs are no longer present.

3. Companion Planting

Companion planting involves growing certain plants near each other to enhance their growth and repel pests naturally. Marigolds, for example, are known to repel many types of insects, including crusader bugs. Planting marigolds around your lilikoi plant can help deter these pests and protect your plant from damage.

Chemical Control

While natural remedies are often sufficient for controlling crusader bugs on lilikoi plants, severe infestations may require the use of chemical insecticides. It is important to note that chemical control should be used as a last resort and with caution to avoid harming beneficial insects and pollinators. If you decide to use chemical insecticides, follow these guidelines:

1. Choose an Appropriate Insecticide

Select an insecticide specifically labeled for use on lilikoi plants and effective against crusader bugs. Read the instructions carefully and follow the recommended dosage and application method.

2. Apply at the Right Time

Apply the insecticide in the early morning or late evening when bees and other pollinators are less active. This will minimize the risk of harming these beneficial insects.

3. Targeted Application

Focus on treating the areas where crusader bugs are most prevalent, such as the undersides of leaves and the fruit clusters. Avoid excessive spraying to prevent unnecessary exposure to chemicals.

4. Monitor and Repeat

After applying the insecticide, monitor your lilikoi plant regularly and repeat the treatment if necessary. Be mindful of any negative effects on the plant’s health and discontinue use if it worsens.

Preventive Measures

Prevention is always better than cure when it comes to pest control. To minimize the chances of crusader bug infestations on your lilikoi plant, consider implementing these preventive measures:

  • Keep your garden clean and free from weeds, which can harbor pests.
  • Regularly inspect your lilikoi plant for signs of pest activity.
  • Remove any fallen leaves or fruits from the ground to eliminate potential breeding grounds for bugs.
  • Encourage beneficial insects, such as ladybugs and lacewings, by planting flowers and providing shelter.

By following these preventive measures and using natural remedies or chemical control methods when necessary, you can effectively get rid of crusader bugs on your lilikoi plant. Remember to always prioritize the health and well-being of your plant while combating pests, and enjoy a thriving lilikoi garden with abundant fruit harvests.