8 Effective Ways To Kill and Eliminate Spotted Laternflies

Written by Em Casalena
Updated: November 15, 2023
Share on:

Advertisement


Hey there, garden warriors! Got spotted lanternflies munching up your plants? You’re not alone. These little pests are popping up everywhere, munching on our plants and driving gardeners nuts. They might look kinda pretty with their flashy wings, but don’t be fooled. They’re bad news for our green buddies. But with some know-how and a little elbow grease, you can send these invaders packing. But before we dive into methods for getting rid of these bugs, let’s break down exactly what they are.

What is a Spotted Lanternfly?

The spotted lanternfly (Lycorma delicatula) is an invasive insect species native to Southeast Asia that has become a significant pest in various parts of the United States. These insects are often recognized by their striking appearance, featuring colorful wings with distinctive spots and a red underbelly. However, their captivating appearance belies the serious threat they pose to agriculture, forestry, and ecosystems.

Issues as Pests

Spotted lanternfly adult close-up

Spotted lanternflies are not just trouble for home gardeners. They can also cause major agricultural disruption.

©iStock.com/arlutz73

Spotted lanternflies are considered pests primarily due to their voracious feeding habits and broad dietary preferences. They feed on over 70 different plant species, with a strong preference for trees, grapevines, fruit trees, and various ornamental plants. Their piercing-sucking mouthparts puncture plant tissue to access sap, leaving behind oozing wounds that weaken the host plant and make it vulnerable to diseases and other pests. The lanternflies’ feeding can lead to significant damage, reduced crop yields, and even the death of valuable trees.

Another reason spotted lanternflies are considered pests is their rapid reproduction rate. A single female can lay hundreds of eggs in egg masses on various surfaces, such as trees, rocks, and man-made objects. This prolific reproductive capacity allows their populations to explode quickly, exacerbating the damage they inflict on plants and trees.

Just as well, their excretion of honeydew, a sugary substance, attracts other pests like wasps, ants, and mold, further complicating the situation. The sticky honeydew can also coat surfaces beneath infested trees, creating aesthetic problems and reducing the quality of outdoor spaces.

Given these concerns, the spotted lanternfly has become a major target for pest management efforts in affected regions. Let’s look at a few ways you can take care of an infestation on your own.

Methods for Killing and Eliminating Spotted Lanternflies

1. Sticky Traps

some dark-winged fungus gnats are stuck on a yellow sticky trap

Using sticky traps is great for killing gnats and other insects in addition to lanternflies.

©MarcOliver_Artworks/Shutterstock.com

Sticky traps are an effective method for controlling spotted lanternflies. These invasive pests have become a significant threat to agriculture and trees in certain regions, making their eradication crucial. Sticky traps work by luring the lanternflies with their attractive colors and scent, causing them to land on the surface covered with a sticky adhesive.

One advantage of sticky traps is their simplicity. They are easy to set up and require minimal maintenance. Farmers and homeowners can strategically place these traps in areas where lanternflies are known to congregate, such as near trees, vineyards, or gardens. Once the insects make contact with the trap, they become stuck, preventing them from feeding on plants and laying eggs.

Another benefit is their eco-friendly nature. Sticky traps do not involve the use of harmful chemicals, reducing the environmental impact. Moreover, they are selective, targeting only the lanternflies without harming other beneficial insects.

Furthermore, sticky traps provide a visual indicator of the infestation level. By regularly checking the traps, individuals can gauge the severity of the problem and adjust their control efforts accordingly. While sticky traps may not eliminate spotted lanternflies on their own, they are a valuable component of an integrated pest management strategy, helping to reduce the population and minimize the damage these insects can cause.

2. Insecticides

Insecticides have proven to be a good method for combatting spotted lanternflies. These invasive pests have posed significant threats to agriculture and ecosystems, necessitating a swift and targeted response. Insecticides, when properly applied, offer several advantages in this fight.

To start, insecticides can provide rapid and widespread control. They can be applied to affected areas, such as orchards, vineyards, or gardens, swiftly reducing the lanternfly population. This quick action helps protect valuable crops and prevent further damage.

Another advantage of insecticides is their versatility. They come in various forms, including sprays, drenches, and systemic treatments, allowing for flexibility in application methods depending on the specific situation and the life stage of the lanternflies. This adaptability is crucial in effectively managing the pest.

Also, insecticides can offer long-term protection. Systemic insecticides, for instance, are absorbed by plants and can remain active for extended periods, deterring lanternflies from feeding on them. This sustained protection is essential in preventing reinfestations.

That being said, it’s important to use insecticides responsibly, following recommended guidelines and considering their potential impact on non-target species and the environment. Integrated pest management strategies that combine insecticides with other control methods can provide a comprehensive approach to managing spotted lanternflies while minimizing ecological harm.

3. Introduce Natural Predators

Introducing natural predators stands as a promising method for addressing a spotted lanternfly problem. These invasive insects have been wreaking havoc on plants and trees, necessitating a sustainable and environmentally friendly solution. The concept behind this approach involves identifying and releasing species that naturally prey on lanternflies, thereby establishing a balance in the ecosystem.

One significant advantage of using natural predators is the potential for long-term control. By introducing these beneficial organisms, such as certain parasitoid wasps (which we’ll dive into more detail on in the next section), birds, or spiders, we encourage a self-sustaining system where these predators actively hunt and consume lanternflies. This can lead to a reduction in the lanternfly population over time, ultimately minimizing their impact on crops and vegetation.

Another benefit is the minimal environmental impact. Unlike chemical insecticides, which can harm non-target species and ecosystems, natural predators specifically target the lanternflies without causing collateral damage. This approach aligns with ecologically responsible pest management practices.

Moreover, it can be cost-effective in the long run. Once established, natural predators can continue to control the lanternfly population without the need for ongoing human intervention. This reduces the financial burden on farmers and landowners.

However, it’s essential to ensure that the introduced predators are well-suited to the local environment and that their release is carefully monitored to prevent unintended consequences. Overall, harnessing the power of natural predators represents a sustainable and eco-friendly strategy for managing spotted lanternflies and preserving the health of our ecosystems.

4. Introduce Parasitoid Wasps

Introducing parasitoid wasps, particularly Anastatus orientalis, has emerged as a highly useful method for controlling the spread of spotted lanternflies. Anastatus orientalis is a natural enemy of the lanternfly, specifically targeting its eggs. This parasitoid wasp lays its eggs inside lanternfly egg masses. When the wasp larvae hatch, they consume the lanternfly eggs, preventing their development. This specialized approach results in a substantial reduction of lanternfly populations.

One of the notable advantages of using Anastatus orientalis is its high specificity. This wasp has evolved to exclusively parasitize lanternfly eggs, minimizing any harm to other beneficial insects or the environment. This targeted approach is a significant benefit in ecological pest management.

Moreover, Anastatus orientalis offers sustainable, long-term control. Once established in an area, these wasps can persistently suppress lanternfly populations over multiple generations, reducing the need for chemical insecticides and minimizing environmental impacts.

However, the successful implementation of Anastatus orientalis as a biological control method requires careful consideration of factors such as temperature and habitat suitability. Ensuring the optimal conditions for the wasps’ survival and reproduction is crucial for their effectiveness.

Harnessing the natural predation of Anastatus orientalis is a promising strategy for managing spotted lanternflies while preserving the ecological balance in affected regions. It offers an environmentally friendly, sustainable, and highly targeted solution to combat this invasive pest.

5. Tree Banding

Tree banding is a practical and effective method for deterring spotted lanternflies. These invasive insects can cause significant damage to trees, crops, and plants, making their control crucial. Tree banding involves wrapping a sticky material or adhesive barrier around tree trunks, typically in the early spring when lanternflies become active.

One key advantage of tree banding is its simplicity and minimal environmental impact. The sticky substance applied to the tree trunk serves as a physical barrier, preventing the lanternflies from climbing up the tree to feed and lay eggs. This reduces their ability to cause damage and reproduce.

Moreover, tree banding is cost-effective and suitable for both large-scale agricultural operations and residential use. It requires no chemical pesticides and can be applied with relative ease. Regular monitoring and maintenance are essential to ensure the sticky barrier remains effective throughout the lanternfly season.

Another benefit is that tree banding is selective, primarily targeting lanternflies without harming other beneficial insects or wildlife. This eco-friendly approach aligns with sustainable pest management practices.

While tree banding may not completely eradicate lanternflies on its own, it serves as an important component of an integrated pest management strategy, helping to reduce their population and minimize the harm they cause to trees and plants.

6. Handpicking

Spotted lanternfly on a person's finger.

Manual removal is a good elimination method for small lanternfly infestations.

©Peter Coffey/Shutterstock.com

Handpicking is a practical method for managing spotted lanternflies, particularly in smaller infestations or residential settings. This hands-on approach involves physically removing the insects by hand, either by capturing them with gloved hands or using tools like nets.

One of the primary advantages of handpicking is its precision. It allows individuals to directly target and remove spotted lanternflies, reducing their numbers without the use of chemicals or pesticides. This method is particularly valuable for protecting valuable plants, trees, and gardens from infestations.

Handpicking is also environmentally friendly. It avoids the potential harm to non-target species and minimizes the ecological impact often associated with chemical control methods. It’s a sustainable approach that aligns with responsible pest management practices.

Just as well, handpicking provides immediate results. It allows for quick intervention when lanternflies are spotted, preventing further damage and population growth. However, it can be labor-intensive, especially in larger infestations, and may require consistent monitoring and repeated efforts to be effective.

While handpicking is a valuable tool for managing spotted lanternflies on a small scale, it may not be practical for larger agricultural operations. In such cases, it can be combined with other control methods as part of an integrated pest management strategy to effectively reduce the lanternfly population and mitigate their impact on plants and trees.

7. Soda Bottle Traps

Soda bottle traps offer an accessible and cost-effective method for combatting spotted lanternflies, especially in smaller-scale applications or residential settings. This do-it-yourself approach involves repurposing empty plastic soda bottles to create traps that lure and capture the insects.

One significant advantage of soda bottle traps is their ease of use. They can be easily assembled using common household materials, making them accessible to homeowners and gardeners. The traps work by attracting lanternflies with a combination of bait and visual cues. A sweet, sugary solution, such as a mixture of water and dish soap, is placed inside the bottle, along with a yellow or reflective material on the outside to mimic the lanternflies’ natural attraction to those colors.

These traps are environmentally friendly, as they do not rely on chemical pesticides. They selectively target the lanternflies without harming other beneficial insects, birds, or wildlife. Additionally, they can be an integral part of an integrated pest management strategy, providing a supplementary approach to reducing lanternfly populations.

However, it’s essential to monitor and maintain the traps regularly, as they can fill up quickly, especially during peak lanternfly activity. While soda bottle traps may not entirely eradicate lanternfly infestations on their own, they are a valuable tool for reducing the population and minimizing the damage these invasive insects can cause to plants and trees.

8. Report the Infestation to Your Local Agricultural Extension Office

If none of the above methods work out for your specific infestation, it may be time to trust professionals. Reporting a severe spotted lanternfly infestation to a local agricultural extension office is crucial for several important reasons. First and foremost, it helps in the early detection and monitoring of these invasive pests, which can significantly impact agriculture and ecosystems. By alerting experts to the severity of the infestation, timely and targeted interventions can be planned and implemented to mitigate the damage.

Furthermore, reporting to the local agricultural extension office aids in the collection of vital data. This information is essential for tracking the spread of the infestation, understanding the scope of the problem, and developing effective control strategies. It allows authorities to allocate resources where they are needed most, ensuring a more efficient response.

Also, reporting can provide valuable guidance and support to affected individuals. Agricultural extension offices often offer information on best practices for managing spotted lanternflies, including integrated pest management techniques and the safe use of pesticides if necessary. They can also facilitate community-wide efforts to control the pest, such as organizing education campaigns and coordinating cooperative control measures.

Lastly, reporting ensures compliance with regulatory measures. In some regions, there may be quarantine restrictions and regulations related to the movement of materials or goods in areas infested with spotted lanternflies. Prompt reporting helps individuals and businesses stay informed about and adhere to these regulations, avoiding potential penalties and contributing to pest containment efforts. In conclusion, reporting severe spotted lanternfly infestations to local agricultural extension offices is an essential step in addressing this invasive threat and safeguarding agriculture and ecosystems.

Summary of Effective Ways To Kill and Eliminate Spotted Laternflies

#Methods
1Sticky Traps
2Insectivides
3Introduce Natural Predators
4Introduce Parasitoid Wasps
5Tree Banding
6Handpicking
7Soda Bottle Traps
8Report the Infestation to Your Local Agricultural Extension Office

The photo featured at the top of this post is © vm2002/Shutterstock.com


Share on:
About the Author

Em Casalena is a writer at A-Z Animals where their primary focus is on plants, gardening, and sustainability. Em has been writing and researching about plants for nearly a decade and is a proud Southwest Institute of Healing Arts graduate and certified Urban Farming instructor. Em is a resident of Arizona and enjoys learning about eco-conscious living, thrifting at local shops, and caring for their Siamese cat Vladimir.

Thank you for reading! Have some feedback for us? Contact the AZ Animals editorial team.