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Spotted Lanternfly

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Spotted lanternfly
Spotted lanternfly, adult - Photo by Lawrence Barringer, Pennsylvania Department of Agriculture
Scientific Name: 

Lycorma delicatula (White) (Barringer et al. 2015)

Common Name: 

Spotted lanternfly (SLF)

Native To: 
Date of U.S. Introduction: 

First detected in 2014, but appeared to have been present in the U.S. for 2-3 years (Dara et al. 2015; Barringer et al. 2015)

Means of Introduction: 

Possible pathways include imported woody plants, wood products, and other commodities (EPPO 2016)

Impact: 

Poses a serious economic threat to multiple U.S. industries, including viticulture, fruit trees, ornamentals and timber (Urban et al.)

Spotlights

USDA. Animal and Plant Health Inspection Service.

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has completed a supplemental environmental assessment (EA) required under the National Environmental Policy Act for its spotted lanternfly program. The previous EA for the spotted lanternfly program was finalized in June 2020 and included control and monitoring activities in the mid-Atlantic Region, Kentucky, North Carolina, and Ohio.

The spotted lanternfly may occur on a variety of plant species, including tree-of-heaven, grapevine, stone fruits (apricot, cherry, nectarine, peach, and plum), and other tree species (apple, oak, pine, poplar, and walnut). If allowed to spread, this pest may be harmful to grape, apple, peach, stone fruit, and logging industries. APHIS is publishing the supplemental EA at https://www.regulations.gov/ and on the APHIS website (PDF | 2.5 MB).

California Department of Food and Agriculture.

A state exterior quarantine has been declared to prohibit the introduction of the spotted lanternfly (SLF), Lycorma delicatula, into California. Spotted lanternfly was first detected in North American in 2014 in Pennsylvania and has now spread to nine states. The quarantine prohibits the entry into California of SLF, its host plants, and a variety of articles, including conveyances, originating from any area where an SLF infestation exists.

If you believe you have seen the spotted lanternfly, please contact CDFA's Invasive Species Hotline at 1-800-491-1899, via Report a Pest, or by contacting your local County Agricultural Commissioner.

Hays Post.

A 4-H student presenting a project at the Kansas State Fair has inadvertently triggered a state and federal investigation into a nasty, unwelcome bug. The student found the spotted lanternfly in Thomas County in western Kansas and included it in a 4-H entomology display.

Indiana Department of Natural Resources.

Spotted lanternfly (Lycorma delicatula) was found in Indiana for the first time in Switzerland County earlier this week, the farthest west the insect has been found. A homeowner in Vevay contacted DNR’s Division of Entomology & Plant Pathology (DEPP) with a picture that was taken outside his home of a fourth instar, or developmental stage, larvae. DEPP staff surveyed the site and discovered an infestation in the woodlot adjacent to a few homes in the area. DEPP and USDA are conducting an investigation to determine exactly how large the infestation is and where it could have come from, as well as how to limit the spread and eradicate the population.

The Indiana DNR is asking for all citizens to keep an eye out for spotted lanternfly. The bright color of both the last instars and the adults of the insect should be present at this time of the year. Anyone that spots signs of the spotted lanternfly should contact DEPP by calling 866-NO EXOTIC (866-663-9684) or send an email to DEPP@dnr.IN.gov.

Rhode Island Department of Environmental Management.

The Rhode Island Department of Environmental Management (DEM) announces that the spotted lanternfly (SLF), an exotic pest that targets various plants and trees, has been detected for the first time in Rhode Island. Native to Asia, SLF is most commonly associated with "Tree of Heaven" (Ailanthus altissima) plants and also feeds on a wide variety of agricultural crops such as grape, apple and hops; and several native species of plants and trees including maple, walnut and willow.

A single SLF was found in an industrial/commercial area in Warwick near Jefferson Blvd, and a photo of the insect was sent to DEM through its online agricultural pest alert system. DEM's Division of Agriculture confirmed the sighting on August 2 and is asking the public to report any suspected sightings at www.dem.ri.gov/spottedlanternfly. No known population of SLF is currently present in this area. DEM will be conducting an extensive survey of the area based on US Department of Agriculture (USDA) recommendations to determine if there is any further presence of the invasive insect and will be providing outreach materials to businesses in the area.

Maine Department of Agriculture, Conservation, and Forestry.

The Maine Department of Agricultural, Conservation and Forestry (DACF) announced finding egg masses of the invasive spotted lanternfly (SLF) on trees in Maine communities and is urging residents to report any sign of the invasive pest. The egg masses were found on trees from Pennsylvania, where SLF is established and planted in Boothbay, Freeport, Northeast Harbor, and Yarmouth. DACF urges anyone who received goods or materials, such as plants, landscaping materials, or outdoor furniture, from a state with a known SLF infestation to carefully check the materials, including any packaging, for signs of SLF. If any life stages of SLF are found, residents should take a photo or collect the specimen and report any pest potential sightings to bugwatch@maine.gov. Residents should look for large, gray insects, about one inch long, with black spots and red underwings, or inch-long, rectangular yellowish-brown egg masses covered with a gray waxy coating.

Because no live SLF has been found in Maine, there is currently no evidence that SLF has become established. The DACF Horticulture Program has inspected all the suspect trees and asks the homeowners and landscape companies to keep an eye on the areas where egg masses were found to confirm that no live populations are present. Spotted lanternfly has not previously been found in Maine.

Oregon Department of Agriculture.

A dead spotted lanternfly (SLF), Lycorma delicatula, has been found in a shipment of planters and ceramic pots sent to Oregon from Pennsylvania. Recently, a nursery in the Corvallis area found the dead female specimen and called the Oregon Department of Agriculture (ODA) Insect Pest Prevention and Management Program (1-800-525-0137) to report. The SLF poses a threat to tree fruit and grape production. Grapes used for wine are a high value crop in Oregon, valued at more than $238 million in 2019. This invasive pest also prefers a broad range of more than 70 plant species including apples, cherry, chestnut, hops, maple, peaches, pear, pine, plum, poplar, oak, rose and walnut.

SLF was first found in North America in 2014, in Pennsylvania. It is believed to have arrived on shipments of stone from China. Since then, SLF has been detected in 11 eastern states (Connecticut, Delaware, Massachusetts, Maryland, North Carolina, New Jersey, New York, Pennsylvania, Virginia and West Virginia). If you believe you have found SLF, please notify the Oregon Department of Agriculture immediately by calling 1-800-525-0137 or email plant-entomologist@oda.state.or.us.

Ohio Department of Agriculture.

A population of the invasive Spotted Lanternfly (SLF) has been found in Mingo Junction, Ohio just south of Steubenville, along the Ohio River. The initial report came from a resident who spotted a dead adult SLF on a commercial building on October 19, 2020. When Ohio Department of Agriculture (ODA) Plant Pest Control inspectors arrived, they were able to capture five live adult SLF in trees located nearby. ODA has been working with the United States Department of Agriculture, Ohio Department of Natural Resources, Ohio State University Extension, and the Ohio Grape Industries Committee to do visual surveys, insect trapping, and outreach in the region.

The public is the first line of defense against the SLF. If you believe you have seen an SLF in your area, you can easily report a suspected infestation by going to ODA’s Spotted Lanternfly Information Page and filling out a suspected infestation report. You may also call the Plant Pest Control Division at 614-728-6400.

Distribution / Maps / Survey Status

USDA. APHIS. Cooperative Agricultural Pest Survey (CAPS). National Agricultural Pest Information System (NAPIS).

Cornell University. New York State Integrated Pest Management Program.

Contains regularly updated map and list of counties of confirmed Spotted Lanternfly infestations and quarantines (Northeast).

Images

USDA. ARS. Tellus.
The spotted lanternfly, first sighted in Pennsylvania, is an invasive pest to the U.S. See this photo essay to learn more about ARS's research efforts.
University of Georgia. Center for Invasive Species and Ecosystem Health.

Videos

Google. YouTube; United States Department of Agriculture.

Google. YouTube; Pennsylvania State University. Cooperative Extension.

Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Spotted Lanternfly.

Partnership

USDA. APHIS. PPQ. CPHST. Identification Technology Program.

Native to Asia, the spotted lanternfly has quickly spread since its initial detection in 2014. The insect is not a strong flier, yet its U.S. range is expanding, mostly due to the movement of vehicles, outdoor furniture, or other objects to which females glue their inconspicuous egg masses. Includes ID aids to help identify the spotted lanternfly in all its life stages, from egg mass through adult.

European and Mediterranean Plant Protection Organization.

Massachusetts Introduced Pests Outreach Project.

National Plant Diagnostic Network.

You can become a more effective First Detector by familiarizing yourself with invasive target pests and pathogens known to exist in the U.S. If you think you have encountered one of the species or disease complexes listed, report its presence.

Invasive Species Centre (Ontario); Great Lakes Forest Alliance.

Nature Conservancy. Don't Move Firewood.

North Central Integrated Pest Management Center.

See also: Pest Alerts for more resources

New York Invasive Species Clearinghouse.

Michigan State University. Midwest Invasive Species Information Network.

StopSLF.org.

The spotted lanternfly (SLF) is a sap-feeding insect native to Asia that feeds on more than 65 plant species and is projected to become a serious pest of specialty crops including grapes, tree fruit, ornamentals, and hardwoods. The goals for this project are to develop efficacious tactics for managing the invasive SLF, on vulnerable specialty crops to reduce the risk of widespread, catastrophic damage and to develop strategies for long-term SLF management.

Federal Government
USDA. Animal and Plant Health Inspection Service.
USDAAPHIS. Plant Protection and Quarantine.
Provides detection history, images and videos, environmental assessments, state plant regulatory official letters, state information (where quarantined), and news and resources.
International Government

Canadian Food Inspection Agency.

State and Local Government
New York Department of Environmental Conservation.

Minnesota Department of Agriculture.

North Carolina Department of Agriculture and Consumer Services. Plant Industry Division. Plant Protection Section.

See also: Hot Pest Topics for more resources

State of New Jersey. Department of Agriculture.

The spotted lanternfly (SLF) has the potential to greatly impact agricultural crops and hardwood trees. This insect feeds on the plant sap of many different plants including grapevines, maples, black walnut, and other important plants in New Jersey. Learn more about the SLF, find homeowner and business resources, and find permit training information.

If you see a Spotted Lanternfly, use the reporting tool for SLF or call 833-4BADBUG (833-422-3284).

Indiana Department of Natural Resources. Entomology and Plant Pathology.

Delaware Department of Agriculture.
Pennsylvania Department of Agriculture.

Maryland Department of Agriculture.

In mid-2018, spotted lanternfly (SLF) nymphs and adults were found in northern Cecil County. If you see a suspect SLF insect, trap or photograph it and use the Report a Spotted Lanternfly Sighting in Maryland online form or contact the Maryland Department of Agriculture at DontBug.MD@maryland.gov.

Connecticut Department of Energy and Environmental Protection.

Academic

Cornell University. New York State Integrated Pest Management Program.

See also: Invasive Species & Exotic Pests for more factsheets

University of Maryland Extension.

See also: Spotted Lanternfly for more resources

University of Massachusetts Extension. Landscape, Nursery, and Urban Forestry Program.

Rutgers University. New Jersey Agricultural Experiment Station.

In the U.S., spotted lanternfly is an invasive species that could be very devastating to some New Jersey crops and hardwood trees. New Jersey populations were first detected in 2018 and are currently primarily distributed along the state's border with Pennsylvania. In response, the NJ Department of Agriculture has issued an eight-county quarantine. People and businesses travelling in and out of these counties (Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem, Somerset, and Warren) should inspect their vehicles for hitchhiking SLF as well as inspect outdoor items such as firewood, paving stones, lawn equipment, etc. for egg masses (see checklist (PDF | 222 KB)). Quarantine compliance will reduce the spread of SLF to new areas and counties thereby protecting New Jersey resources including forests and agriculture. To help survey efforts, please report sightings (with photograph) to slanternfly@njaes.rutgers.edu.

Pennsylvania State University. Cooperative Extension.

Virginia Tech; Virginia State University. Virginia Cooperative Extension.

A potentially very serious pest of grapes, peaches, hops, and a variety of other crops, the spotted lanternfly (SLF), Lycorma delicatula, was detected in Frederick County, Virginia, on Jan. 10, 2018. It is important to look for it and report any finds. The spotted lanternfly has also been reported on a range of ornamentals around the home and in the landscape; in high numbers, the insect can become a nuisance pest to homeowners.

Citations